398204960 has 24 divisors (see below), whose sum is σ = 940759596. Its totient is φ = 159281920.

The previous prime is 398204959. The next prime is 398205001. The reversal of 398204960 is 69402893.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 389036176 + 9168784 = 19724^2 + 3028^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244231 + ... + 1244550.

Almost surely, 2^398204960 is an apocalyptic number.

It is an amenable number.

398204960 is an abundant number, since it is smaller than the sum of its proper divisors (542554636).

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

398204960 is a wasteful number, since it uses less digits than its factorization.

398204960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488796 (or 2488788 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 398204960 is about 19955.0735403305. The cubic root of 398204960 is about 735.7024829315.

The spelling of 398204960 in words is "three hundred ninety-eight million, two hundred four thousand, nine hundred sixty".