247914980 has 24 divisors (see below), whose sum is σ = 529158840. Its totient is φ = 97539840.

The previous prime is 247914943. The next prime is 247915001. The reversal of 247914980 is 89419742.

It can be written as a sum of positive squares in 4 ways, for example, as 15413476 + 232501504 = 3926^2 + 15248^2 .

It is a super-2 number, since 2×247914980² = 122923674616800800, which contains 22 as substring.

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, 100385 + ... + 102824.

It is an arithmetic number, because the mean of its divisors is an integer number (22048285).

Almost surely, 2^247914980 is an apocalyptic number.

247914980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247914980 is an abundant number, since it is smaller than the sum of its proper divisors (281243860).

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

247914980 is a wasteful number, since it uses less digits than its factorization.

247914980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203279 (or 203277 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 247914980 is about 15745.3161289318. The cubic root of 247914980 is about 628.2043265242.

The spelling of 247914980 in words is "two hundred forty-seven million, nine hundred fourteen thousand, nine hundred eighty".