247147412 has 12 divisors (see below), whose sum is σ = 434154336. Its totient is φ = 123103320.

The previous prime is 247147403. The next prime is 247147451. The reversal of 247147412 is 214741742.

It is a super-2 number, since 2×247147412² = 122163686516595488, which contains 22 as substring.

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, 116414 + ... + 118517.

It is an arithmetic number, because the mean of its divisors is an integer number (36179528).

Almost surely, 2^247147412 is an apocalyptic number.

It is an amenable number.

247147412 is a deficient number, since it is larger than the sum of its proper divisors (187006924).

247147412 is a wasteful number, since it uses less digits than its factorization.

247147412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235198 (or 235196 counting only the distinct ones).

The product of its digits is 12544, while the sum is 32.

The square root of 247147412 is about 15720.9227464548. The cubic root of 247147412 is about 627.5553297984. Note that the first 3 decimals are identical.

The spelling of 247147412 in words is "two hundred forty-seven million, one hundred forty-seven thousand, four hundred twelve".