398041488 has 240 divisors, whose sum is σ = 1307138560. Its totient is φ = 112285440.

The previous prime is 398041477. The next prime is 398041499. The reversal of 398041488 is 884140893.

It is an interprime number because it is at equal distance from previous prime (398041477) and next prime (398041499).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12840033 + ... + 12840063.

Almost surely, 2^398041488 is an apocalyptic number.

398041488 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398041488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653569280).

398041488 is an abundant number, since it is smaller than the sum of its proper divisors (909097072).

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

398041488 is a wasteful number, since it uses less digits than its factorization.

398041488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 398041488 is about 19950.9771189283. The cubic root of 398041488 is about 735.6017950701.

The spelling of 398041488 in words is "three hundred ninety-eight million, forty-one thousand, four hundred eighty-eight".