3994624512 has 240 divisors, whose sum is σ = 12115495392. Its totient is φ = 1313832960.

The previous prime is 3994624499. The next prime is 3994624531. The reversal of 3994624512 is 2154264993.

3994624512 is a `hidden beast` number, since 3 + 9 + 9 + 4 + 624 + 5 + 12 = 666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12068187 + ... + 12068517.

Almost surely, 2^3994624512 is an apocalyptic number.

3994624512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3994624512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6057747696).

3994624512 is an abundant number, since it is smaller than the sum of its proper divisors (8120870880).

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

3994624512 is an frugal number, since it uses more digits than its factorization.

3994624512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 433 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 3994624512 is about 63203.0419521086. The cubic root of 3994624512 is about 1586.6896452509.

The spelling of 3994624512 in words is "three billion, nine hundred ninety-four million, six hundred twenty-four thousand, five hundred twelve".