345620332 has 12 divisors (see below), whose sum is σ = 613354896. Its totient is φ = 170376080.

The previous prime is 345620329. The next prime is 345620351. The reversal of 345620332 is 233026543.

It is a self number, because there is not a number n which added to its sum of digits gives 345620332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608203 + ... + 608770.

It is an arithmetic number, because the mean of its divisors is an integer number (51112908).

Almost surely, 2^345620332 is an apocalyptic number.

It is an amenable number.

345620332 is a deficient number, since it is larger than the sum of its proper divisors (267734564).

345620332 is a wasteful number, since it uses less digits than its factorization.

345620332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217048 (or 1217046 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 345620332 is about 18590.8668974849. The cubic root of 345620332 is about 701.7780187366.

Adding to 345620332 its reverse (233026543), we get a palindrome (578646875).

The spelling of 345620332 in words is "three hundred forty-five million, six hundred twenty thousand, three hundred thirty-two".