38569872 has 80 divisors (see below), whose sum is σ = 115117632. Its totient is φ = 10997760.

The previous prime is 38569813. The next prime is 38569877. The reversal of 38569872 is 27896583.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38569877) 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, 6828 + ... + 11124.

Almost surely, 2^38569872 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 38569872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57558816).

38569872 is an abundant number, since it is smaller than the sum of its proper divisors (76547760).

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

38569872 is a wasteful number, since it uses less digits than its factorization.

38569872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336 (or 4330 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 38569872 is about 6210.4647169113. The cubic root of 38569872 is about 337.8698190361.

Subtracting from 38569872 its reverse (27896583), we obtain a square (10673289 = 3267²).

The spelling of 38569872 in words is "thirty-eight million, five hundred sixty-nine thousand, eight hundred seventy-two".