398064914 has 16 divisors (see below), whose sum is σ = 649661208. Its totient is φ = 181827072.

The previous prime is 398064899. The next prime is 398064943. The reversal of 398064914 is 419460893.

It can be written as a sum of positive squares in 4 ways, for example, as 351375025 + 46689889 = 18745^2 + 6833^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76397 + ... + 81440.

Almost surely, 2^398064914 is an apocalyptic number.

398064914 is a deficient number, since it is larger than the sum of its proper divisors (251596294).

398064914 is a wasteful number, since it uses less digits than its factorization.

398064914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157949.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 398064914 is about 19951.5641993303. The cubic root of 398064914 is about 735.6162256174.

The spelling of 398064914 in words is "three hundred ninety-eight million, sixty-four thousand, nine hundred fourteen".