398410488 has 80 divisors (see below), whose sum is σ = 1275349680. Its totient is φ = 113830272.

The previous prime is 398410477. The next prime is 398410549. The reversal of 398410488 is 884014893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39381 + ... + 48452.

It is an arithmetic number, because the mean of its divisors is an integer number (15941871).

Almost surely, 2^398410488 is an apocalyptic number.

It is an amenable number.

398410488 is an abundant number, since it is smaller than the sum of its proper divisors (876939192).

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

398410488 is a wasteful number, since it uses less digits than its factorization.

398410488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87858 (or 87845 counting only the distinct ones).

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

The square root of 398410488 is about 19960.2226440488. Note that the first 3 decimals coincide. The cubic root of 398410488 is about 735.8290353923.

The spelling of 398410488 in words is "three hundred ninety-eight million, four hundred ten thousand, four hundred eighty-eight".