398025608 has 8 divisors (see below), whose sum is σ = 746298030. Its totient is φ = 199012800.

The previous prime is 398025583. The next prime is 398025701. The reversal of 398025608 is 806520893.

It can be written as a sum of positive squares in only one way, i.e., 296459524 + 101566084 = 17218^2 + 10078^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24876593 + ... + 24876608.

Almost surely, 2^398025608 is an apocalyptic number.

It is an amenable number.

398025608 is a deficient number, since it is larger than the sum of its proper divisors (348272422).

398025608 is a wasteful number, since it uses less digits than its factorization.

398025608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49753207 (or 49753203 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 398025608 is about 19950.5791394636. The cubic root of 398025608 is about 735.5920125790.

The spelling of 398025608 in words is "three hundred ninety-eight million, twenty-five thousand, six hundred eight".