398680760 has 32 divisors (see below), whose sum is σ = 898406640. Its totient is φ = 159227904.

The previous prime is 398680747. The next prime is 398680769. The reversal of 398680760 is 67086893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398680769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20024 + ... + 34616.

Almost surely, 2^398680760 is an apocalyptic number.

It is an amenable number.

398680760 is an abundant number, since it is smaller than the sum of its proper divisors (499725880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398680760 is a wasteful number, since it uses less digits than its factorization.

398680760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15287 (or 15283 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 398680760 is about 19966.9917614046. The cubic root of 398680760 is about 735.9953872978.

The spelling of 398680760 in words is "three hundred ninety-eight million, six hundred eighty thousand, seven hundred sixty".