345004865 has 16 divisors (see below), whose sum is σ = 417312000. Its totient is φ = 273810432.

The previous prime is 345004843. The next prime is 345004879. The reversal of 345004865 is 568400543.

It is a cyclic number.

It is not a de Polignac number, because 345004865 - 2¹⁸ = 344742721 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536234 + ... + 536876.

It is an arithmetic number, because the mean of its divisors is an integer number (26082000).

Almost surely, 2^345004865 is an apocalyptic number.

It is an amenable number.

345004865 is a deficient number, since it is larger than the sum of its proper divisors (72307135).

345004865 is a wasteful number, since it uses less digits than its factorization.

345004865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 345004865 is about 18574.3065819427. The cubic root of 345004865 is about 701.3612050555.

The spelling of 345004865 in words is "three hundred forty-five million, four thousand, eight hundred sixty-five".