38645860 has 24 divisors (see below), whose sum is σ = 88534656. Its totient is φ = 14052960.

The previous prime is 38645857. The next prime is 38645881. The reversal of 38645860 is 6854683.

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, 87612 + ... + 88051.

It is an arithmetic number, because the mean of its divisors is an integer number (3688944).

Almost surely, 2^38645860 is an apocalyptic number.

It is an amenable number.

38645860 is an abundant number, since it is smaller than the sum of its proper divisors (49888796).

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

38645860 is a wasteful number, since it uses less digits than its factorization.

38645860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175683 (or 175681 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 38645860 is about 6216.5794453220. The cubic root of 38645860 is about 338.0915569576.

The spelling of 38645860 in words is "thirty-eight million, six hundred forty-five thousand, eight hundred sixty".