398475416 has 16 divisors (see below), whose sum is σ = 750052440. Its totient is φ = 198461440.

The previous prime is 398475409. The next prime is 398475443. The reversal of 398475416 is 614574893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94850 + ... + 98961.

Almost surely, 2^398475416 is an apocalyptic number.

It is an amenable number.

398475416 is a deficient number, since it is larger than the sum of its proper divisors (351577024).

398475416 is a wasteful number, since it uses less digits than its factorization.

398475416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194074 (or 194070 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 398475416 is about 19961.8490125539. The cubic root of 398475416 is about 735.8690053178.

The spelling of 398475416 in words is "three hundred ninety-eight million, four hundred seventy-five thousand, four hundred sixteen".