398800 has 30 divisors (see below), whose sum is σ = 959078. Its totient is φ = 159360.

The previous prime is 398771. The next prime is 398813. The reversal of 398800 is 8893.

It can be written as a sum of positive squares in 3 ways, for example, as 76176 + 322624 = 276^2 + 568^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99 + ... + 898.

2³⁹⁸⁸⁰⁰ is an apocalyptic number.

It is an amenable number.

398800 is an abundant number, since it is smaller than the sum of its proper divisors (560278).

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

398800 is a wasteful number, since it uses less digits than its factorization.

398800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 398800 is about 631.5061361539. The cubic root of 398800 is about 73.6068755392.

The spelling of 398800 in words is "three hundred ninety-eight thousand, eight hundred".