398046800 has 30 divisors (see below), whose sum is σ = 956308398. Its totient is φ = 159218560.

The previous prime is 398046797. The next prime is 398046821. The reversal of 398046800 is 8640893.

It can be written as a sum of positive squares in 3 ways, for example, as 26790976 + 371255824 = 5176^2 + 19268^2 .

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, 497159 + ... + 497958.

Almost surely, 2^398046800 is an apocalyptic number.

It is an amenable number.

398046800 is an abundant number, since it is smaller than the sum of its proper divisors (558261598).

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

398046800 is a wasteful number, since it uses less digits than its factorization.

398046800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995135 (or 995124 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 398046800 is about 19951.1102447959. The cubic root of 398046800 is about 735.6050673415.

The spelling of 398046800 in words is "three hundred ninety-eight million, forty-six thousand, eight hundred".