38877792 has 24 divisors (see below), whose sum is σ = 102054456. Its totient is φ = 12959232.

The previous prime is 38877791. The next prime is 38877821. The reversal of 38877792 is 29777883.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×38877792² = 3022965421590528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38877791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202393 + ... + 202584.

It is an arithmetic number, because the mean of its divisors is an integer number (4252269).

Almost surely, 2^38877792 is an apocalyptic number.

38877792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38877792 is an abundant number, since it is smaller than the sum of its proper divisors (63176664).

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

38877792 is a wasteful number, since it uses less digits than its factorization.

38877792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404990 (or 404982 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 38877792 is about 6235.2058506516. The cubic root of 38877792 is about 338.7665572895.

Subtracting from 38877792 its reverse (29777883), we obtain a palindrome (9099909).

The spelling of 38877792 in words is "thirty-eight million, eight hundred seventy-seven thousand, seven hundred ninety-two".