345382817 has 16 divisors (see below), whose sum is σ = 393630720. Its totient is φ = 300412800.

The previous prime is 345382813. The next prime is 345382831. The reversal of 345382817 is 718283543.

It is not a de Polignac number, because 345382817 - 2² = 345382813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345382813) 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, 43517 + ... + 50837.

It is an arithmetic number, because the mean of its divisors is an integer number (24601920).

Almost surely, 2^345382817 is an apocalyptic number.

It is an amenable number.

345382817 is a deficient number, since it is larger than the sum of its proper divisors (48247903).

345382817 is a wasteful number, since it uses less digits than its factorization.

345382817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7544.

The product of its digits is 161280, while the sum is 41.

The square root of 345382817 is about 18584.4778511531. The cubic root of 345382817 is about 701.6172247598.

The spelling of 345382817 in words is "three hundred forty-five million, three hundred eighty-two thousand, eight hundred seventeen".