398104372 has 6 divisors (see below), whose sum is σ = 696682658. Its totient is φ = 199052184.

The previous prime is 398104339. The next prime is 398104391. The reversal of 398104372 is 273401893.

It can be written as a sum of positive squares in only one way, i.e., 216501796 + 181602576 = 14714^2 + 13476^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49763043 + ... + 49763050.

Almost surely, 2^398104372 is an apocalyptic number.

It is an amenable number.

398104372 is a deficient number, since it is larger than the sum of its proper divisors (298578286).

398104372 is a wasteful number, since it uses less digits than its factorization.

398104372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99526097 (or 99526095 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 398104372 is about 19952.5530196013. The cubic root of 398104372 is about 735.6405306868.

The spelling of 398104372 in words is "three hundred ninety-eight million, one hundred four thousand, three hundred seventy-two".