247104666 has 12 divisors (see below), whose sum is σ = 535393482. Its totient is φ = 82368216.

The previous prime is 247104661. The next prime is 247104691. The reversal of 247104666 is 666401742.

247104666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 237314025 + 9790641 = 15405^2 + 3129^2 .

It is a super-2 number, since 2×247104666² = 122121431917943112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) 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 247104666.

It is not an unprimeable number, because it can be changed into a prime (247104661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6864001 + ... + 6864036.

Almost surely, 2^247104666 is an apocalyptic number.

247104666 is an abundant number, since it is smaller than the sum of its proper divisors (288288816).

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

247104666 is a wasteful number, since it uses less digits than its factorization.

247104666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13728045 (or 13728042 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 247104666 is about 15719.5631618694. The cubic root of 247104666 is about 627.5191475774.

The spelling of 247104666 in words is "two hundred forty-seven million, one hundred four thousand, six hundred sixty-six".