398845502 has 16 divisors (see below), whose sum is σ = 652978800. Its totient is φ = 181203840.

The previous prime is 398845481. The next prime is 398845519. The reversal of 398845502 is 205548893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65024 + ... + 70892.

It is an arithmetic number, because the mean of its divisors is an integer number (40811175).

Almost surely, 2^398845502 is an apocalyptic number.

398845502 is a deficient number, since it is larger than the sum of its proper divisors (254133298).

398845502 is a wasteful number, since it uses less digits than its factorization.

398845502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8971.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 398845502 is about 19971.1166938657. The cubic root of 398845502 is about 736.0967488108.

The spelling of 398845502 in words is "three hundred ninety-eight million, eight hundred forty-five thousand, five hundred two".