398943475 has 24 divisors (see below), whose sum is σ = 595120640. Its totient is φ = 259161120.

The previous prime is 398943451. The next prime is 398943481. The reversal of 398943475 is 574349893.

It is not a de Polignac number, because 398943475 - 2¹¹ = 398941427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56667 + ... + 63316.

Almost surely, 2^398943475 is an apocalyptic number.

398943475 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

398943475 is a deficient number, since it is larger than the sum of its proper divisors (196177165).

398943475 is a wasteful number, since it uses less digits than its factorization.

398943475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120019 (or 120014 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The square root of 398943475 is about 19973.5694105986. The cubic root of 398943475 is about 736.1570158417.

The spelling of 398943475 in words is "three hundred ninety-eight million, nine hundred forty-three thousand, four hundred seventy-five".