247116984 has 32 divisors (see below), whose sum is σ = 618846720. Its totient is φ = 82231776.

The previous prime is 247116953. The next prime is 247117009. The reversal of 247116984 is 489611742.

It is a super-2 number, since 2×247116984² = 122133607562512512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6087 + ... + 23049.

It is an arithmetic number, because the mean of its divisors is an integer number (19338960).

Almost surely, 2^247116984 is an apocalyptic number.

247116984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

247116984 is an abundant number, since it is smaller than the sum of its proper divisors (371729736).

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

247116984 is a wasteful number, since it uses less digits than its factorization.

247116984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17579 (or 17575 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 247116984 is about 15719.9549617675. The cubic root of 247116984 is about 627.5295745388.

The spelling of 247116984 in words is "two hundred forty-seven million, one hundred sixteen thousand, nine hundred eighty-four".