38504540 has 12 divisors (see below), whose sum is σ = 80859576. Its totient is φ = 15401808.

The previous prime is 38504537. The next prime is 38504549. The reversal of 38504540 is 4540583.

It is a super-2 number, since 2×38504540² = 2965199201223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38504549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962594 + ... + 962633.

It is an arithmetic number, because the mean of its divisors is an integer number (6738298).

Almost surely, 2^38504540 is an apocalyptic number.

It is an amenable number.

38504540 is an abundant number, since it is smaller than the sum of its proper divisors (42355036).

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

38504540 is a wasteful number, since it uses less digits than its factorization.

38504540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925236 (or 1925234 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 38504540 is about 6205.2026558365. The cubic root of 38504540 is about 337.6789430589.

The spelling of 38504540 in words is "thirty-eight million, five hundred four thousand, five hundred forty".