38724546 has 32 divisors (see below), whose sum is σ = 93173760. Its totient is φ = 10481616.

The previous prime is 38724509. The next prime is 38724547. The reversal of 38724546 is 64542783.

It is a happy number.

38724546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38724546² = 2999180925812232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38724547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23466 + ... + 25061.

It is an arithmetic number, because the mean of its divisors is an integer number (2911680).

Almost surely, 2^38724546 is an apocalyptic number.

38724546 is an abundant number, since it is smaller than the sum of its proper divisors (54449214).

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

38724546 is a wasteful number, since it uses less digits than its factorization.

38724546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48558.

The product of its digits is 161280, while the sum is 39.

The square root of 38724546 is about 6222.9049486554. The cubic root of 38724546 is about 338.3208617036.

The spelling of 38724546 in words is "thirty-eight million, seven hundred twenty-four thousand, five hundred forty-six".