38915712 has 192 divisors, whose sum is σ = 126977760. Its totient is φ = 11335680.

The previous prime is 38915707. The next prime is 38915729. The reversal of 38915712 is 21751983.

38915712 is a `hidden beast` number, since 3 + 89 + 1 + 571 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468823 + ... + 468905.

Almost surely, 2^38915712 is an apocalyptic number.

38915712 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 38915712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63488880).

38915712 is an abundant number, since it is smaller than the sum of its proper divisors (88062048).

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

38915712 is a wasteful number, since it uses less digits than its factorization.

38915712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 136 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 38915712 is about 6238.2459073044. The cubic root of 38915712 is about 338.8766617385.

The spelling of 38915712 in words is "thirty-eight million, nine hundred fifteen thousand, seven hundred twelve".