345304617 has 20 divisors (see below), whose sum is σ = 537119760. Its totient is φ = 197312808.

The previous prime is 345304549. The next prime is 345304633. The reversal of 345304617 is 716403543.

It is not a de Polignac number, because 345304617 - 2⁷ = 345304489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345304637) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16767 + ... + 31172.

It is an arithmetic number, because the mean of its divisors is an integer number (26855988).

Almost surely, 2^345304617 is an apocalyptic number.

It is an amenable number.

345304617 is a deficient number, since it is larger than the sum of its proper divisors (191815143).

345304617 is an frugal number, since it uses more digits than its factorization.

345304617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47970 (or 47949 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 345304617 is about 18582.3738257522. The cubic root of 345304617 is about 701.5642684403.

The spelling of 345304617 in words is "three hundred forty-five million, three hundred four thousand, six hundred seventeen".