345282647 has 16 divisors (see below), whose sum is σ = 371712000. Its totient is φ = 319933152.

The previous prime is 345282599. The next prime is 345282653. The reversal of 345282647 is 746282543.

It is a cyclic number.

It is not a de Polignac number, because 345282647 - 2²⁴ = 328505431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345282947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124229 + ... + 126977.

It is an arithmetic number, because the mean of its divisors is an integer number (23232000).

Almost surely, 2^345282647 is an apocalyptic number.

345282647 is a deficient number, since it is larger than the sum of its proper divisors (26429353).

345282647 is a wasteful number, since it uses less digits than its factorization.

345282647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its digits is 322560, while the sum is 41.

The square root of 345282647 is about 18581.7826647499. The cubic root of 345282647 is about 701.5493891201.

The spelling of 345282647 in words is "three hundred forty-five million, two hundred eighty-two thousand, six hundred forty-seven".