345808970 has 16 divisors (see below), whose sum is σ = 670337640. Its totient is φ = 127683264.

The previous prime is 345808943. The next prime is 345809029. The reversal of 345808970 is 79808543.

It can be written as a sum of positive squares in 4 ways, for example, as 205836409 + 139972561 = 14347^2 + 11831^2 .

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 7 ways as a sum of consecutive naturals, for example, 1329905 + ... + 1330164.

Almost surely, 2^345808970 is an apocalyptic number.

345808970 is a deficient number, since it is larger than the sum of its proper divisors (324528670).

345808970 is a wasteful number, since it uses less digits than its factorization.

345808970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660089.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 345808970 is about 18595.9396105709. The cubic root of 345808970 is about 701.9056712620.

The spelling of 345808970 in words is "three hundred forty-five million, eight hundred eight thousand, nine hundred seventy".