345291844 has 24 divisors (see below), whose sum is σ = 626644928. Its totient is φ = 166341600.

The previous prime is 345291839. The next prime is 345291853. The reversal of 345291844 is 448192543.

345291844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 345291797 and 345291806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919 + ... + 26569.

Almost surely, 2^345291844 is an apocalyptic number.

It is an amenable number.

345291844 is a deficient number, since it is larger than the sum of its proper divisors (281353084).

345291844 is a wasteful number, since it uses less digits than its factorization.

345291844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22795 (or 22793 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 345291844 is about 18582.0301366670. The cubic root of 345291844 is about 701.5556179228. Note that the first 3 decimals are identical.

The spelling of 345291844 in words is "three hundred forty-five million, two hundred ninety-one thousand, eight hundred forty-four".