247276412 has 24 divisors (see below), whose sum is σ = 466625040. Its totient is φ = 114272640.

The previous prime is 247276409. The next prime is 247276481. The reversal of 247276412 is 214672742.

It is a super-2 number, since 2×247276412² = 122291247863187488, which contains 22 as substring.

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, 36563 + ... + 42794.

It is an arithmetic number, because the mean of its divisors is an integer number (19442710).

Almost surely, 2^247276412 is an apocalyptic number.

It is an amenable number.

247276412 is a deficient number, since it is larger than the sum of its proper divisors (219348628).

247276412 is a wasteful number, since it uses less digits than its factorization.

247276412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79421 (or 79419 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 247276412 is about 15725.0250238275. The cubic root of 247276412 is about 627.6644961674.

The spelling of 247276412 in words is "two hundred forty-seven million, two hundred seventy-six thousand, four hundred twelve".