345565632 has 56 divisors (see below), whose sum is σ = 927990016. Its totient is φ = 113465088.

The previous prime is 345565621. The next prime is 345565669. The reversal of 345565632 is 236565543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568 + ... + 26295.

Almost surely, 2^345565632 is an apocalyptic number.

345565632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345565632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463995008).

345565632 is an abundant number, since it is smaller than the sum of its proper divisors (582424384).

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

345565632 is a wasteful number, since it uses less digits than its factorization.

345565632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26945 (or 26935 counting only the distinct ones).

The product of its digits is 324000, while the sum is 39.

The square root of 345565632 is about 18589.3956867887. The cubic root of 345565632 is about 701.7409942144.

The spelling of 345565632 in words is "three hundred forty-five million, five hundred sixty-five thousand, six hundred thirty-two".