38965512 has 64 divisors (see below), whose sum is σ = 101928960. Its totient is φ = 12398400.

The previous prime is 38965471. The next prime is 38965517. The reversal of 38965512 is 21556983.

It is a super-2 number, since 2×38965512² = 3036622250844288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38965517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61437 + ... + 62067.

It is an arithmetic number, because the mean of its divisors is an integer number (1592640).

Almost surely, 2^38965512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38965512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50964480).

38965512 is an abundant number, since it is smaller than the sum of its proper divisors (62963448).

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

38965512 is a wasteful number, since it uses less digits than its factorization.

38965512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 750 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 38965512 is about 6242.2361377955. The cubic root of 38965512 is about 339.0211523422.

The spelling of 38965512 in words is "thirty-eight million, nine hundred sixty-five thousand, five hundred twelve".