398769552 has 60 divisors (see below), whose sum is σ = 1117691484. Its totient is φ = 132721920.

The previous prime is 398769529. The next prime is 398769559. The reversal of 398769552 is 255967893.

398769552 is a `hidden beast` number, since 3 + 9 + 87 + 6 + 9 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 285474816 + 113294736 = 16896^2 + 10644^2 .

It is not an unprimeable number, because it can be changed into a prime (398769559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116538 + ... + 119910.

Almost surely, 2^398769552 is an apocalyptic number.

It is an amenable number.

398769552 is an abundant number, since it is smaller than the sum of its proper divisors (718921932).

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

398769552 is a wasteful number, since it uses less digits than its factorization.

398769552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208 (or 4199 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 398769552 is about 19969.2151072595. The cubic root of 398769552 is about 736.0500221988.

The spelling of 398769552 in words is "three hundred ninety-eight million, seven hundred sixty-nine thousand, five hundred fifty-two".