250398 has 16 divisors (see below), whose sum is σ = 556560. Its totient is φ = 83448.

The previous prime is 250361. The next prime is 250403. The reversal of 250398 is 893052.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250398.

It is an unprimeable number.

250398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (34785).

2²⁵⁰³⁹⁸ is an apocalyptic number.

250398 is an abundant number, since it is smaller than the sum of its proper divisors (306162).

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

250398 is a wasteful number, since it uses less digits than its factorization.

250398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 250398 is about 500.3978417220. The cubic root of 250398 is about 63.0294646755.

It can be divided in two parts, 2503 and 98, that added together give a square (2601 = 51²).

The spelling of 250398 in words is "two hundred fifty thousand, three hundred ninety-eight".