345870039 has 16 divisors (see below), whose sum is σ = 477619200. Its totient is φ = 222489120.

The previous prime is 345870029. The next prime is 345870071. The reversal of 345870039 is 930078543.

It is not a de Polignac number, because 345870039 - 2⁹ = 345869527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345869979 and 345870006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345870029) 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 15 ways as a sum of consecutive naturals, for example, 7264 + ... + 27285.

It is an arithmetic number, because the mean of its divisors is an integer number (29851200).

Almost surely, 2^345870039 is an apocalyptic number.

345870039 is a deficient number, since it is larger than the sum of its proper divisors (131749161).

345870039 is a wasteful number, since it uses less digits than its factorization.

345870039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34670.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 345870039 is about 18597.5815363181. The cubic root of 345870039 is about 701.9469870926.

The spelling of 345870039 in words is "three hundred forty-five million, eight hundred seventy thousand, thirty-nine".