38685750 has 32 divisors (see below), whose sum is σ = 96561504. Its totient is φ = 10316000.

The previous prime is 38685749. The next prime is 38685763. The reversal of 38685750 is 5758683.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25041 + ... + 26540.

It is an arithmetic number, because the mean of its divisors is an integer number (3017547).

Almost surely, 2^38685750 is an apocalyptic number.

38685750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38685750 is an abundant number, since it is smaller than the sum of its proper divisors (57875754).

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

38685750 is a wasteful number, since it uses less digits than its factorization.

38685750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51601 (or 51591 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 38685750 is about 6219.7869738440. The cubic root of 38685750 is about 338.2078422436.

The spelling of 38685750 in words is "thirty-eight million, six hundred eighty-five thousand, seven hundred fifty".