345488817 has 8 divisors (see below), whose sum is σ = 460930624. Its totient is φ = 230186448.

The previous prime is 345488813. The next prime is 345488827. The reversal of 345488817 is 718884543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345488817 - 2² = 345488813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345488813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28933 + ... + 39090.

It is an arithmetic number, because the mean of its divisors is an integer number (57616328).

Almost surely, 2^345488817 is an apocalyptic number.

It is an amenable number.

345488817 is a deficient number, since it is larger than the sum of its proper divisors (115441807).

345488817 is a wasteful number, since it uses less digits than its factorization.

345488817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69719.

The product of its digits is 860160, while the sum is 48.

The square root of 345488817 is about 18587.3294746717. The cubic root of 345488817 is about 701.6889942236.

It can be divided in two parts, 34548 and 8817, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 345488817 in words is "three hundred forty-five million, four hundred eighty-eight thousand, eight hundred seventeen".