398098250 has 32 divisors (see below), whose sum is σ = 812994624. Its totient is φ = 144762000.

The previous prime is 398098247. The next prime is 398098271. The reversal of 398098250 is 52890893.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69632 + ... + 75131.

It is an arithmetic number, because the mean of its divisors is an integer number (25406082).

Almost surely, 2^398098250 is an apocalyptic number.

398098250 is an abundant number, since it is smaller than the sum of its proper divisors (414896374).

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

398098250 is a wasteful number, since it uses less digits than its factorization.

398098250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144791 (or 144781 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 398098250 is about 19952.3996050600. The cubic root of 398098250 is about 735.6367598043.

The spelling of 398098250 in words is "three hundred ninety-eight million, ninety-eight thousand, two hundred fifty".