247404260 has 24 divisors (see below), whose sum is σ = 521396736. Its totient is φ = 98609760.

The previous prime is 247404259. The next prime is 247404299. The reversal of 247404260 is 62404742.

It is a super-2 number, since 2×247404260² = 122417735732295200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 16196 + ... + 27515.

It is an arithmetic number, because the mean of its divisors is an integer number (21724864).

Almost surely, 2^247404260 is an apocalyptic number.

247404260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247404260 is an abundant number, since it is smaller than the sum of its proper divisors (273992476).

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

247404260 is a wasteful number, since it uses less digits than its factorization.

247404260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44003 (or 44001 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 247404260 is about 15729.0896112903. The cubic root of 247404260 is about 627.7726502019.

The spelling of 247404260 in words is "two hundred forty-seven million, four hundred four thousand, two hundred sixty".