250865930 has 32 divisors (see below), whose sum is σ = 543231360. Its totient is φ = 81483840.

The previous prime is 250865869. The next prime is 250865939. The reversal of 250865930 is 39568052.

250865930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (250865939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92981 + ... + 95640.

It is an arithmetic number, because the mean of its divisors is an integer number (16975980).

Almost surely, 2^250865930 is an apocalyptic number.

250865930 is an abundant number, since it is smaller than the sum of its proper divisors (292365430).

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

250865930 is a wasteful number, since it uses less digits than its factorization.

250865930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188654.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 250865930 is about 15838.7477409043. The cubic root of 250865930 is about 630.6870224205.

The spelling of 250865930 in words is "two hundred fifty million, eight hundred sixty-five thousand, nine hundred thirty".