3994891602 has 32 divisors (see below), whose sum is σ = 8623879488. Its totient is φ = 1226412096.

The previous prime is 3994891583. The next prime is 3994891603. The reversal of 3994891602 is 2061984993.

It is not an unprimeable number, because it can be changed into a prime (3994891603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23253 + ... + 92360.

It is an arithmetic number, because the mean of its divisors is an integer number (269496234).

Almost surely, 2^3994891602 is an apocalyptic number.

3994891602 is an abundant number, since it is smaller than the sum of its proper divisors (4628987886).

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

3994891602 is a wasteful number, since it uses less digits than its factorization.

3994891602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116074.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 3994891602 is about 63205.1548688871. The cubic root of 3994891602 is about 1586.7250077313.

The spelling of 3994891602 in words is "three billion, nine hundred ninety-four million, eight hundred ninety-one thousand, six hundred two".