398760 has 32 divisors (see below), whose sum is σ = 1196640. Its totient is φ = 106304.

The previous prime is 398759. The next prime is 398771. The reversal of 398760 is 67893.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (37395).

2³⁹⁸⁷⁶⁰ is an apocalyptic number.

398760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

398760 is an abundant number, since it is smaller than the sum of its proper divisors (797880).

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

398760 is a wasteful number, since it uses less digits than its factorization.

398760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 398760 is about 631.4744650419. The cubic root of 398760 is about 73.6044145115.

The spelling of 398760 in words is "three hundred ninety-eight thousand, seven hundred sixty".