398458848 has 24 divisors (see below), whose sum is σ = 1045954728. Its totient is φ = 132819584.

The previous prime is 398458807. The next prime is 398458859. The reversal of 398458848 is 848854893.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075211 + ... + 2075402.

It is an arithmetic number, because the mean of its divisors is an integer number (43581447).

Almost surely, 2^398458848 is an apocalyptic number.

It is an amenable number.

398458848 is an abundant number, since it is smaller than the sum of its proper divisors (647495880).

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

398458848 is a wasteful number, since it uses less digits than its factorization.

398458848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150626 (or 4150618 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 57.

The square root of 398458848 is about 19961.4340166232. The cubic root of 398458848 is about 735.8588064061.

The spelling of 398458848 in words is "three hundred ninety-eight million, four hundred fifty-eight thousand, eight hundred forty-eight".