345841657 has 12 divisors (see below), whose sum is σ = 409127760. Its totient is φ = 291408936.

The previous prime is 345841649. The next prime is 345841721. The reversal of 345841657 is 756148543.

It is not a de Polignac number, because 345841657 - 2³ = 345841649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345841637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56923 + ... + 62704.

It is an arithmetic number, because the mean of its divisors is an integer number (34093980).

Almost surely, 2^345841657 is an apocalyptic number.

It is an amenable number.

345841657 is a deficient number, since it is larger than the sum of its proper divisors (63286103).

345841657 is a wasteful number, since it uses less digits than its factorization.

345841657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119700 (or 119693 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 345841657 is about 18596.8184644578. The cubic root of 345841657 is about 701.9277860420.

The spelling of 345841657 in words is "three hundred forty-five million, eight hundred forty-one thousand, six hundred fifty-seven".