38641880 has 32 divisors (see below), whose sum is σ = 87121440. Its totient is φ = 15425280.

The previous prime is 38641859. The next prime is 38641913. The reversal of 38641880 is 8814683.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 36965 + ... + 37995.

It is an arithmetic number, because the mean of its divisors is an integer number (2722545).

Almost surely, 2^38641880 is an apocalyptic number.

It is an amenable number.

38641880 is an abundant number, since it is smaller than the sum of its proper divisors (48479560).

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

38641880 is a wasteful number, since it uses less digits than its factorization.

38641880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 38641880 is about 6216.2593253499. The cubic root of 38641880 is about 338.0799502759.

The spelling of 38641880 in words is "thirty-eight million, six hundred forty-one thousand, eight hundred eighty".