398798848 has 78 divisors (see below), whose sum is σ = 928171356. Its totient is φ = 170827776.

The previous prime is 398798843. The next prime is 398798857. The reversal of 398798848 is 848897893.

It is a super-2 number, since 2×398798848² = 318081042332254208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 398798848 = 48³ + 736³ = 306³ + 718³.

It is a self number, because there is not a number n which added to its sum of digits gives 398798848.

It is not an unprimeable number, because it can be changed into a prime (398798843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199711 + ... + 201697.

Almost surely, 2^398798848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398798848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464085678).

398798848 is an abundant number, since it is smaller than the sum of its proper divisors (529372508).

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

398798848 is an equidigital number, since it uses as much as digits as its factorization.

398798848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025 (or 1996 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 64.

The square root of 398798848 is about 19969.9486228683. The cubic root of 398798848 is about 736.0680466386.

The spelling of 398798848 in words is "three hundred ninety-eight million, seven hundred ninety-eight thousand, eight hundred forty-eight".