398410252 has 24 divisors (see below), whose sum is σ = 709121952. Its totient is φ = 195820800.

The previous prime is 398410219. The next prime is 398410261. The reversal of 398410252 is 252014893.

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, 104052 + ... + 107812.

It is an arithmetic number, because the mean of its divisors is an integer number (29546748).

Almost surely, 2^398410252 is an apocalyptic number.

It is an amenable number.

398410252 is a deficient number, since it is larger than the sum of its proper divisors (310711700).

398410252 is a wasteful number, since it uses less digits than its factorization.

398410252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209 (or 4207 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 398410252 is about 19960.2167322903. The cubic root of 398410252 is about 735.8288901019.

The spelling of 398410252 in words is "three hundred ninety-eight million, four hundred ten thousand, two hundred fifty-two".