398763708 has 48 divisors (see below), whose sum is σ = 1071162624. Its totient is φ = 113097600.

The previous prime is 398763691. The next prime is 398763709. The reversal of 398763708 is 807367893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398763709) 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, 5818 + ... + 28833.

It is an arithmetic number, because the mean of its divisors is an integer number (22315888).

Almost surely, 2^398763708 is an apocalyptic number.

It is an amenable number.

398763708 is an abundant number, since it is smaller than the sum of its proper divisors (672398916).

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

398763708 is a wasteful number, since it uses less digits than its factorization.

398763708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34802 (or 34800 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 398763708 is about 19969.0687814930. The cubic root of 398763708 is about 736.0464265570.

The spelling of 398763708 in words is "three hundred ninety-eight million, seven hundred sixty-three thousand, seven hundred eight".