38974912 has 56 divisors (see below), whose sum is σ = 80690720. Its totient is φ = 18662400.

The previous prime is 38974889. The next prime is 38974921. The reversal of 38974912 is 21947983.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 258037 + ... + 258187.

Almost surely, 2^38974912 is an apocalyptic number.

38974912 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 38974912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40345360).

38974912 is an abundant number, since it is smaller than the sum of its proper divisors (41715808).

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

38974912 is a wasteful number, since it uses less digits than its factorization.

38974912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 299 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 38974912 is about 6242.9890277014. The cubic root of 38974912 is about 339.0484118549.

The spelling of 38974912 in words is "thirty-eight million, nine hundred seventy-four thousand, nine hundred twelve".