398552912 has 10 divisors (see below), whose sum is σ = 772196298. Its totient is φ = 199276448.

The previous prime is 398552897. The next prime is 398552929. The reversal of 398552912 is 219255893.

It can be written as a sum of positive squares in only one way, i.e., 338707216 + 59845696 = 18404^2 + 7736^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12454763 + ... + 12454794.

Almost surely, 2^398552912 is an apocalyptic number.

It is an amenable number.

398552912 is a deficient number, since it is larger than the sum of its proper divisors (373643386).

398552912 is a wasteful number, since it uses less digits than its factorization.

398552912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24909565 (or 24909559 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The square root of 398552912 is about 19963.7900209354. The cubic root of 398552912 is about 735.9167064688.

The spelling of 398552912 in words is "three hundred ninety-eight million, five hundred fifty-two thousand, nine hundred twelve".