345312404 has 12 divisors (see below), whose sum is σ = 604580928. Its totient is φ = 172575000.

The previous prime is 345312391. The next prime is 345312419. The reversal of 345312404 is 404213543.

It is a congruent number.

It is an unprimeable number.

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, 10172 + ... + 28179.

It is an arithmetic number, because the mean of its divisors is an integer number (50381744).

Almost surely, 2^345312404 is an apocalyptic number.

It is an amenable number.

345312404 is a deficient number, since it is larger than the sum of its proper divisors (259268524).

345312404 is a wasteful number, since it uses less digits than its factorization.

345312404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40606 (or 40604 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 345312404 is about 18582.5833510844. The cubic root of 345312404 is about 701.5695420834.

Adding to 345312404 its reverse (404213543), we get a palindrome (749525947).

The spelling of 345312404 in words is "three hundred forty-five million, three hundred twelve thousand, four hundred four".