398461800 has 96 divisors (see below), whose sum is σ = 1347547680. Its totient is φ = 96595200.

The previous prime is 398461799. The next prime is 398461807. The reversal of 398461800 is 8164893.

It is not an unprimeable number, because it can be changed into a prime (398461807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23587 + ... + 36786.

It is an arithmetic number, because the mean of its divisors is an integer number (14036955).

Almost surely, 2^398461800 is an apocalyptic number.

398461800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

398461800 is an abundant number, since it is smaller than the sum of its proper divisors (949085880).

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

398461800 is a wasteful number, since it uses less digits than its factorization.

398461800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60403 (or 60394 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 398461800 is about 19961.5079590696. The cubic root of 398461800 is about 735.8606236158.

The spelling of 398461800 in words is "three hundred ninety-eight million, four hundred sixty-one thousand, eight hundred".