398583252 has 36 divisors (see below), whose sum is σ = 1008620340. Its totient is φ = 132717312.

The previous prime is 398583247. The next prime is 398583253. The reversal of 398583252 is 252385893.

398583252 is a `hidden beast` number, since 398 + 5 + 8 + 3 + 252 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 172501956 + 226081296 = 13134^2 + 15036^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 398583198 and 398583207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398583253) 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, 30838 + ... + 41810.

Almost surely, 2^398583252 is an apocalyptic number.

It is an amenable number.

398583252 is an abundant number, since it is smaller than the sum of its proper divisors (610037088).

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

398583252 is a wasteful number, since it uses less digits than its factorization.

398583252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992 (or 11987 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 398583252 is about 19964.5498822288. The cubic root of 398583252 is about 735.9353799796.

The spelling of 398583252 in words is "three hundred ninety-eight million, five hundred eighty-three thousand, two hundred fifty-two".