398517488 has 10 divisors (see below), whose sum is σ = 772127664. Its totient is φ = 199258736.

The previous prime is 398517463. The next prime is 398517503. The reversal of 398517488 is 884715893.

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, 12453656 + ... + 12453687.

Almost surely, 2^398517488 is an apocalyptic number.

It is an amenable number.

398517488 is a deficient number, since it is larger than the sum of its proper divisors (373610176).

398517488 is a wasteful number, since it uses less digits than its factorization.

398517488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24907351 (or 24907345 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 398517488 is about 19962.9027949344. The cubic root of 398517488 is about 735.8949026839.

The spelling of 398517488 in words is "three hundred ninety-eight million, five hundred seventeen thousand, four hundred eighty-eight".