398524612 has 12 divisors (see below), whose sum is σ = 721467180. Its totient is φ = 192391136.

The previous prime is 398524571. The next prime is 398524631. The reversal of 398524612 is 216425893.

It can be written as a sum of positive squares in 2 ways, for example, as 150651076 + 247873536 = 12274^2 + 15744^2 .

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, 1717663 + ... + 1717894.

It is an arithmetic number, because the mean of its divisors is an integer number (60122265).

Almost surely, 2^398524612 is an apocalyptic number.

It is an amenable number.

398524612 is a deficient number, since it is larger than the sum of its proper divisors (322942568).

398524612 is a wasteful number, since it uses less digits than its factorization.

398524612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435590 (or 3435588 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 398524612 is about 19963.0812251015. The cubic root of 398524612 is about 735.8992876726.

The spelling of 398524612 in words is "three hundred ninety-eight million, five hundred twenty-four thousand, six hundred twelve".