345871983 has 16 divisors (see below), whose sum is σ = 469722240. Its totient is φ = 226314144.

The previous prime is 345871973. The next prime is 345871997. The reversal of 345871983 is 389178543.

It is not a de Polignac number, because 345871983 - 2⁸ = 345871727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345871943) 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, 155185 + ... + 157397.

It is an arithmetic number, because the mean of its divisors is an integer number (29357640).

Almost surely, 2^345871983 is an apocalyptic number.

345871983 is a deficient number, since it is larger than the sum of its proper divisors (123850257).

345871983 is a wasteful number, since it uses less digits than its factorization.

345871983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158.

The product of its digits is 725760, while the sum is 48.

The square root of 345871983 is about 18597.6338011049. The cubic root of 345871983 is about 701.9483022131.

The spelling of 345871983 in words is "three hundred forty-five million, eight hundred seventy-one thousand, nine hundred eighty-three".