985413980 has 12 divisors (see below), whose sum is σ = 2069369400. Its totient is φ = 394165584.

The previous prime is 985413977. The next prime is 985413991. The reversal of 985413980 is 89314589.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24635330 + ... + 24635369.

It is an arithmetic number, because the mean of its divisors is an integer number (172447450).

Almost surely, 2^985413980 is an apocalyptic number.

It is an amenable number.

985413980 is an abundant number, since it is smaller than the sum of its proper divisors (1083955420).

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

985413980 is a wasteful number, since it uses less digits than its factorization.

985413980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49270708 (or 49270706 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 985413980 is about 31391.3042099241. The cubic root of 985413980 is about 995.1141607858.

The spelling of 985413980 in words is "nine hundred eighty-five million, four hundred thirteen thousand, nine hundred eighty".