247812964 has 12 divisors (see below), whose sum is σ = 495625984. Its totient is φ = 106205544.

The previous prime is 247812947. The next prime is 247812973. The reversal of 247812964 is 469218742.

247812964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

247812964 is an admirable number.

It is a super-2 number, since 2×247812964² = 122822530252930592, 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 a self number, because there is not a number n which added to its sum of digits gives 247812964.

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, 4425204 + ... + 4425259.

Almost surely, 2^247812964 is an apocalyptic number.

It is an amenable number.

247812964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

247812964 is a wasteful number, since it uses less digits than its factorization.

247812964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850474 (or 8850472 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 247812964 is about 15742.0762290112. The cubic root of 247812964 is about 628.1181468655.

The spelling of 247812964 in words is "two hundred forty-seven million, eight hundred twelve thousand, nine hundred sixty-four".