345858939 has 12 divisors (see below), whose sum is σ = 501476976. Its totient is φ = 229694352.

The previous prime is 345858937. The next prime is 345858983. The reversal of 345858939 is 939858543.

345858939 is a `hidden beast` number, since 3 + 4 + 58 + 589 + 3 + 9 = 666.

It is not a de Polignac number, because 345858939 - 2¹ = 345858937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345858937) 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 11 ways as a sum of consecutive naturals, for example, 70692 + ... + 75425.

It is an arithmetic number, because the mean of its divisors is an integer number (41789748).

Almost surely, 2^345858939 is an apocalyptic number.

345858939 is a deficient number, since it is larger than the sum of its proper divisors (155618037).

345858939 is a wasteful number, since it uses less digits than its factorization.

345858939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146386 (or 146383 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 345858939 is about 18597.2831080241. The cubic root of 345858939 is about 701.9394778222.

The spelling of 345858939 in words is "three hundred forty-five million, eight hundred fifty-eight thousand, nine hundred thirty-nine".