398910662 has 8 divisors (see below), whose sum is σ = 629859000. Its totient is φ = 188957664.

The previous prime is 398910649. The next prime is 398910703. The reversal of 398910662 is 266019893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 5248787 + ... + 5248862.

It is an arithmetic number, because the mean of its divisors is an integer number (78732375).

Almost surely, 2^398910662 is an apocalyptic number.

398910662 is a deficient number, since it is larger than the sum of its proper divisors (230948338).

398910662 is a wasteful number, since it uses less digits than its factorization.

398910662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10497670.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 398910662 is about 19972.7479831895. The cubic root of 398910662 is about 736.1368323788.

The spelling of 398910662 in words is "three hundred ninety-eight million, nine hundred ten thousand, six hundred sixty-two".