345961844 has 12 divisors (see below), whose sum is σ = 605566500. Its totient is φ = 172942848.

The previous prime is 345961831. The next prime is 345961867. The reversal of 345961844 is 448169543.

It can be written as a sum of positive squares in 2 ways, for example, as 270931600 + 75030244 = 16460^2 + 8662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 345961795 and 345961804.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24182 + ... + 35730.

It is an arithmetic number, because the mean of its divisors is an integer number (50463875).

Almost surely, 2^345961844 is an apocalyptic number.

It is an amenable number.

345961844 is a deficient number, since it is larger than the sum of its proper divisors (259604656).

345961844 is a wasteful number, since it uses less digits than its factorization.

345961844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19042 (or 19040 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 345961844 is about 18600.0495698264. The cubic root of 345961844 is about 702.0090880120.

The spelling of 345961844 in words is "three hundred forty-five million, nine hundred sixty-one thousand, eight hundred forty-four".