247374966 has 16 divisors (see below), whose sum is σ = 500310000. Its totient is φ = 81531648.

The previous prime is 247374937. The next prime is 247374977. The reversal of 247374966 is 669473742.

It is a super-2 number, since 2×247374966² = 122388747607002312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 231091 + ... + 232158.

It is an arithmetic number, because the mean of its divisors is an integer number (31269375).

Almost surely, 2^247374966 is an apocalyptic number.

247374966 is an abundant number, since it is smaller than the sum of its proper divisors (252935034).

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

247374966 is a wasteful number, since it uses less digits than its factorization.

247374966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463343.

The product of its digits is 1524096, while the sum is 48.

The square root of 247374966 is about 15728.1583791619. The cubic root of 247374966 is about 627.7478720003.

The spelling of 247374966 in words is "two hundred forty-seven million, three hundred seventy-four thousand, nine hundred sixty-six".