38192540 has 24 divisors (see below), whose sum is σ = 84922992. Its totient is φ = 14378240.

The previous prime is 38192519. The next prime is 38192549. The reversal of 38192540 is 4529183.

It is a super-2 number, since 2×38192540² = 2917340223303200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38192497 and 38192506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38192549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55826 + ... + 56505.

It is an arithmetic number, because the mean of its divisors is an integer number (3538458).

Almost surely, 2^38192540 is an apocalyptic number.

It is an amenable number.

38192540 is an abundant number, since it is smaller than the sum of its proper divisors (46730452).

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

38192540 is a wasteful number, since it uses less digits than its factorization.

38192540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112357 (or 112355 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 38192540 is about 6180.0113268505. The cubic root of 38192540 is about 336.7644043040.

The spelling of 38192540 in words is "thirty-eight million, one hundred ninety-two thousand, five hundred forty".