474990398 has 4 divisors (see below), whose sum is σ = 712485600. Its totient is φ = 237495198.

The previous prime is 474990377. The next prime is 474990407. The reversal of 474990398 is 893099474.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118747598 + ... + 118747601.

It is an arithmetic number, because the mean of its divisors is an integer number (178121400).

Almost surely, 2^474990398 is an apocalyptic number.

474990398 is a deficient number, since it is larger than the sum of its proper divisors (237495202).

474990398 is a wasteful number, since it uses less digits than its factorization.

474990398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237495201.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 474990398 is about 21794.2744316024. The cubic root of 474990398 is about 780.2401178335.

The spelling of 474990398 in words is "four hundred seventy-four million, nine hundred ninety thousand, three hundred ninety-eight".