398876036 has 12 divisors (see below), whose sum is σ = 751728012. Its totient is φ = 184096608.

The previous prime is 398876033. The next prime is 398876059. The reversal of 398876036 is 630678893.

It can be written as a sum of positive squares in 2 ways, for example, as 20340100 + 378535936 = 4510^2 + 19456^2 .

It is not an unprimeable number, because it can be changed into a prime (398876033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3835295 + ... + 3835398.

It is an arithmetic number, because the mean of its divisors is an integer number (62644001).

Almost surely, 2^398876036 is an apocalyptic number.

It is an amenable number.

398876036 is a deficient number, since it is larger than the sum of its proper divisors (352851976).

398876036 is a wasteful number, since it uses less digits than its factorization.

398876036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670710 (or 7670708 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 398876036 is about 19971.8811332333. The cubic root of 398876036 is about 736.1155325291.

The spelling of 398876036 in words is "three hundred ninety-eight million, eight hundred seventy-six thousand, thirty-six".