247242796 has 12 divisors (see below), whose sum is σ = 433265560. Its totient is φ = 123452640.

The previous prime is 247242791. The next prime is 247242799. The reversal of 247242796 is 697242742.

It is a super-2 number, since 2×247242796² = 122258000347795232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (247242791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38865 + ... + 44776.

Almost surely, 2^247242796 is an apocalyptic number.

It is an amenable number.

247242796 is a deficient number, since it is larger than the sum of its proper divisors (186022764).

247242796 is a wasteful number, since it uses less digits than its factorization.

247242796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84384 (or 84382 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 247242796 is about 15723.9561179749. The cubic root of 247242796 is about 627.6360522548.

The spelling of 247242796 in words is "two hundred forty-seven million, two hundred forty-two thousand, seven hundred ninety-six".