346425644 has 12 divisors (see below), whose sum is σ = 615293784. Its totient is φ = 170627424.

The previous prime is 346425641. The next prime is 346425671. The reversal of 346425644 is 446524643.

It is a junction number, because it is equal to n+sod(n) for n = 346425598 and 346425607.

It is not an unprimeable number, because it can be changed into a prime (346425641) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 646049 + ... + 646584.

It is an arithmetic number, because the mean of its divisors is an integer number (51274482).

Almost surely, 2^346425644 is an apocalyptic number.

It is an amenable number.

346425644 is a deficient number, since it is larger than the sum of its proper divisors (268868140).

346425644 is a wasteful number, since it uses less digits than its factorization.

346425644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292704 (or 1292702 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

The square root of 346425644 is about 18612.5131027489. The cubic root of 346425644 is about 702.3226547937.

The spelling of 346425644 in words is "three hundred forty-six million, four hundred twenty-five thousand, six hundred forty-four".