980399560 has 32 divisors (see below), whose sum is σ = 2521028160. Its totient is φ = 336136896.

The previous prime is 980399557. The next prime is 980399561. The reversal of 980399560 is 65993089.

It is a super-2 number, since 2×980399560² = 1922366594496387200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (980399561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750434 + ... + 1750993.

It is an arithmetic number, because the mean of its divisors is an integer number (78782130).

Almost surely, 2^980399560 is an apocalyptic number.

It is an amenable number.

980399560 is an abundant number, since it is smaller than the sum of its proper divisors (1540628600).

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

980399560 is a wasteful number, since it uses less digits than its factorization.

980399560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501445 (or 3501441 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 980399560 is about 31311.3327726560. The cubic root of 980399560 is about 993.4233626592.

The spelling of 980399560 in words is "nine hundred eighty million, three hundred ninety-nine thousand, five hundred sixty".