247044339 has 6 divisors (see below), whose sum is σ = 356841836. Its totient is φ = 164696220.

The previous prime is 247044319. The next prime is 247044341. The reversal of 247044339 is 933440742.

It is not a de Polignac number, because 247044339 - 2¹¹ = 247042291 is a prime.

It is a super-2 number, since 2×247044339² = 122061810863893842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247044319) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 13724677 + ... + 13724694.

Almost surely, 2^247044339 is an apocalyptic number.

247044339 is a deficient number, since it is larger than the sum of its proper divisors (109797497).

247044339 is a wasteful number, since it uses less digits than its factorization.

247044339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27449377 (or 27449374 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 247044339 is about 15717.6441937079. The cubic root of 247044339 is about 627.4680768721.

The spelling of 247044339 in words is "two hundred forty-seven million, forty-four thousand, three hundred thirty-nine".