345610404 has 72 divisors (see below), whose sum is σ = 886197312. Its totient is φ = 113561280.

The previous prime is 345610373. The next prime is 345610439. The reversal of 345610404 is 404016543.

345610404 is a `hidden beast` number, since 3 + 4 + 5 + 610 + 40 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1313977 + ... + 1314239.

It is an arithmetic number, because the mean of its divisors is an integer number (12308296).

Almost surely, 2^345610404 is an apocalyptic number.

It is an amenable number.

345610404 is an abundant number, since it is smaller than the sum of its proper divisors (540586908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345610404 is a wasteful number, since it uses less digits than its factorization.

345610404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 345610404 is about 18590.5998827364. The cubic root of 345610404 is about 701.7712991098.

Adding to 345610404 its reverse (404016543), we get a palindrome (749626947).

The spelling of 345610404 in words is "three hundred forty-five million, six hundred ten thousand, four hundred four".