398663076 has 48 divisors (see below), whose sum is σ = 1065344000. Its totient is φ = 113663520.

The previous prime is 398663063. The next prime is 398663077. The reversal of 398663076 is 670366893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (398663077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37161 + ... + 46671.

Almost surely, 2^398663076 is an apocalyptic number.

It is an amenable number.

398663076 is an abundant number, since it is smaller than the sum of its proper divisors (666680924).

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

398663076 is a wasteful number, since it uses less digits than its factorization.

398663076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024 (or 10022 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 398663076 is about 19966.5489256406. The cubic root of 398663076 is about 735.9845051283.

The spelling of 398663076 in words is "three hundred ninety-eight million, six hundred sixty-three thousand, seventy-six".