38725892 has 12 divisors (see below), whose sum is σ = 68469660. Its totient is φ = 19163136.

The previous prime is 38725873. The next prime is 38725931. The reversal of 38725892 is 29852783.

It can be written as a sum of positive squares in 2 ways, for example, as 11519236 + 27206656 = 3394^2 + 5216^2 .

It is a super-2 number, since 2×38725892² = 2999389422391328, which contains 22 as substring.

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

It is an unprimeable number.

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, 49517 + ... + 50292.

It is an arithmetic number, because the mean of its divisors is an integer number (5705805).

Almost surely, 2^38725892 is an apocalyptic number.

It is an amenable number.

38725892 is a deficient number, since it is larger than the sum of its proper divisors (29743768).

38725892 is a wasteful number, since it uses less digits than its factorization.

38725892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99910 (or 99908 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 38725892 is about 6223.0130965634. The cubic root of 38725892 is about 338.3247814793.

The spelling of 38725892 in words is "thirty-eight million, seven hundred twenty-five thousand, eight hundred ninety-two".