398976036 has 24 divisors (see below), whose sum is σ = 939647520. Its totient is φ = 131748672.

The previous prime is 398976031. The next prime is 398976037. The reversal of 398976036 is 630679893.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 398976036.

It is not an unprimeable number, because it can be changed into a prime (398976031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154081 + ... + 156648.

It is an arithmetic number, because the mean of its divisors is an integer number (39151980).

Almost surely, 2^398976036 is an apocalyptic number.

It is an amenable number.

398976036 is an abundant number, since it is smaller than the sum of its proper divisors (540671484).

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

398976036 is a wasteful number, since it uses less digits than its factorization.

398976036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310843 (or 310841 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 398976036 is about 19974.3844961491. The cubic root of 398976036 is about 736.1770432040.

The spelling of 398976036 in words is "three hundred ninety-eight million, nine hundred seventy-six thousand, thirty-six".