398800874 has 16 divisors (see below), whose sum is σ = 614927400. Its totient is φ = 193834944.

The previous prime is 398800873. The next prime is 398800903. The reversal of 398800874 is 478008893.

It can be written as a sum of positive squares in 4 ways, for example, as 374229025 + 24571849 = 19345^2 + 4957^2 .

It is not an unprimeable number, because it can be changed into a prime (398800873) 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, 121892 + ... + 125120.

Almost surely, 2^398800874 is an apocalyptic number.

398800874 is a deficient number, since it is larger than the sum of its proper divisors (216126526).

398800874 is a wasteful number, since it uses less digits than its factorization.

398800874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 398800874 is about 19969.9993490235. Note that the first 3 decimals coincide. The cubic root of 398800874 is about 736.0692931077.

The spelling of 398800874 in words is "three hundred ninety-eight million, eight hundred thousand, eight hundred seventy-four".