398370294 has 36 divisors (see below), whose sum is σ = 1004057964. Its totient is φ = 113819832.

The previous prime is 398370277. The next prime is 398370307. The reversal of 398370294 is 492073893.

It is a happy number.

It is a super-2 number, since 2×398370294² = 317397782283292872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 224952 + ... + 226715.

It is an arithmetic number, because the mean of its divisors is an integer number (27890499).

Almost surely, 2^398370294 is an apocalyptic number.

398370294 is an abundant number, since it is smaller than the sum of its proper divisors (605687670).

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

398370294 is a wasteful number, since it uses less digits than its factorization.

398370294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451689 (or 451679 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 398370294 is about 19959.2157661567. The cubic root of 398370294 is about 735.8042896357.

The spelling of 398370294 in words is "three hundred ninety-eight million, three hundred seventy thousand, two hundred ninety-four".