247424276 has 12 divisors (see below), whose sum is σ = 472355520. Its totient is φ = 112465560.

The previous prime is 247424269. The next prime is 247424311. The reversal of 247424276 is 672424742.

It is a super-2 number, since 2×247424276² = 122437544708248352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811596 + ... + 2811683.

It is an arithmetic number, because the mean of its divisors is an integer number (39362960).

Almost surely, 2^247424276 is an apocalyptic number.

It is an amenable number.

247424276 is a deficient number, since it is larger than the sum of its proper divisors (224931244).

247424276 is a wasteful number, since it uses less digits than its factorization.

247424276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623294 (or 5623292 counting only the distinct ones).

The product of its digits is 150528, while the sum is 38.

The square root of 247424276 is about 15729.7258717372. The cubic root of 247424276 is about 627.7895795231.

The spelling of 247424276 in words is "two hundred forty-seven million, four hundred twenty-four thousand, two hundred seventy-six".