346427785 has 16 divisors (see below), whose sum is σ = 480183552. Its totient is φ = 237126400.

The previous prime is 346427777. The next prime is 346427789. The reversal of 346427785 is 587724643.

It is not a de Polignac number, because 346427785 - 2³ = 346427777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346427789) 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 15 ways as a sum of consecutive naturals, for example, 184321 + ... + 186190.

It is an arithmetic number, because the mean of its divisors is an integer number (30011472).

Almost surely, 2^346427785 is an apocalyptic number.

It is an amenable number.

346427785 is a deficient number, since it is larger than the sum of its proper divisors (133755767).

346427785 is a wasteful number, since it uses less digits than its factorization.

346427785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370544.

The product of its digits is 1128960, while the sum is 46.

The square root of 346427785 is about 18612.5706177304. The cubic root of 346427785 is about 702.3241016359.

The spelling of 346427785 in words is "three hundred forty-six million, four hundred twenty-seven thousand, seven hundred eighty-five".