398379560 has 64 divisors (see below), whose sum is σ = 911131200. Its totient is φ = 156750336.

The previous prime is 398379559. The next prime is 398379613. The reversal of 398379560 is 65973893.

It is a junction number, because it is equal to n+sod(n) for n = 398379499 and 398379508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761459 + ... + 761981.

It is an arithmetic number, because the mean of its divisors is an integer number (14236425).

Almost surely, 2^398379560 is an apocalyptic number.

It is an amenable number.

398379560 is an abundant number, since it is smaller than the sum of its proper divisors (512751640).

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

398379560 is a wasteful number, since it uses less digits than its factorization.

398379560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 398379560 is about 19959.4478881556. The cubic root of 398379560 is about 735.8099944701.

The spelling of 398379560 in words is "three hundred ninety-eight million, three hundred seventy-nine thousand, five hundred sixty".