250997928 has 64 divisors (see below), whose sum is σ = 671094720. Its totient is φ = 77952000.

The previous prime is 250997921. The next prime is 250997953. The reversal of 250997928 is 829799052.

250997928 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 (51).

It is not an unprimeable number, because it can be changed into a prime (250997921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38163 + ... + 44253.

It is an arithmetic number, because the mean of its divisors is an integer number (10485855).

Almost surely, 2^250997928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250997928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335547360).

250997928 is an abundant number, since it is smaller than the sum of its proper divisors (420096792).

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

250997928 is a wasteful number, since it uses less digits than its factorization.

250997928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218 (or 6214 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 250997928 is about 15842.9141258797. The cubic root of 250997928 is about 630.7976191162.

The spelling of 250997928 in words is "two hundred fifty million, nine hundred ninety-seven thousand, nine hundred twenty-eight".