398946196 has 18 divisors (see below), whose sum is σ = 767395370. Its totient is φ = 181338960.

The previous prime is 398946187. The next prime is 398946257. The reversal of 398946196 is 691649893.

It can be written as a sum of positive squares in only one way, i.e., 359633296 + 39312900 = 18964^2 + 6270^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411651 + ... + 412618.

Almost surely, 2^398946196 is an apocalyptic number.

It is an amenable number.

398946196 is a deficient number, since it is larger than the sum of its proper divisors (368449174).

398946196 is a wasteful number, since it uses less digits than its factorization.

398946196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824295 (or 824282 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 55.

The square root of 398946196 is about 19973.6375254985. The cubic root of 398946196 is about 736.1586894946.

The spelling of 398946196 in words is "three hundred ninety-eight million, nine hundred forty-six thousand, one hundred ninety-six".