345700491 has 16 divisors (see below), whose sum is σ = 494926848. Its totient is φ = 213852800.

The previous prime is 345700489. The next prime is 345700493. The reversal of 345700491 is 194007543.

It is an interprime number because it is at equal distance from previous prime (345700489) and next prime (345700493).

It is a cyclic number.

It is not a de Polignac number, because 345700491 - 2¹ = 345700489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345700493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44115 + ... + 51356.

It is an arithmetic number, because the mean of its divisors is an integer number (30932928).

Almost surely, 2^345700491 is an apocalyptic number.

345700491 is a deficient number, since it is larger than the sum of its proper divisors (149226357).

345700491 is a wasteful number, since it uses less digits than its factorization.

345700491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95562.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 345700491 is about 18593.0226429163. The cubic root of 345700491 is about 701.8322685116.

The spelling of 345700491 in words is "three hundred forty-five million, seven hundred thousand, four hundred ninety-one".