398175552 has 84 divisors (see below), whose sum is σ = 1201399680. Its totient is φ = 125736192.

The previous prime is 398175541. The next prime is 398175593. The reversal of 398175552 is 255571893.

398175552 is a `hidden beast` number, since 3 + 98 + 1 + 7 + 5 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 398175498 and 398175507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7248 + ... + 29135.

Almost surely, 2^398175552 is an apocalyptic number.

398175552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

398175552 is an abundant number, since it is smaller than the sum of its proper divisors (803224128).

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

398175552 is a wasteful number, since it uses less digits than its factorization.

398175552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36420 (or 36407 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 398175552 is about 19954.3366715108. The cubic root of 398175552 is about 735.6843715957.

It can be divided in two parts, 39817 and 5552, that added together give a square (45369 = 213²).

The spelling of 398175552 in words is "three hundred ninety-eight million, one hundred seventy-five thousand, five hundred fifty-two".