3994574976 has 96 divisors (see below), whose sum is σ = 13136947200. Its totient is φ = 1141304832.

The previous prime is 3994574971. The next prime is 3994574981. The reversal of 3994574976 is 6794754993.

3994574976 is a `hidden beast` number, since 3 + 9 + 94 + 57 + 497 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (3994574971) and next prime (3994574981).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3994574971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239616 + ... + 255743.

It is an arithmetic number, because the mean of its divisors is an integer number (136843200).

Almost surely, 2^3994574976 is an apocalyptic number.

3994574976 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3994574976 is an abundant number, since it is smaller than the sum of its proper divisors (9142372224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3994574976 is a wasteful number, since it uses less digits than its factorization.

3994574976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495386 (or 495371 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The square root of 3994574976 is about 63202.6500710215. The cubic root of 3994574976 is about 1586.6830865550.

It can be divided in two parts, 39945 and 74976, that added together give a square (114921 = 339²).

The spelling of 3994574976 in words is "three billion, nine hundred ninety-four million, five hundred seventy-four thousand, nine hundred seventy-six".