345560538 has 32 divisors (see below), whose sum is σ = 719557056. Its totient is φ = 110533248.

The previous prime is 345560521. The next prime is 345560557. The reversal of 345560538 is 835065543.

It is a junction number, because it is equal to n+sod(n) for n = 345560496 and 345560505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5545 + ... + 26867.

It is an arithmetic number, because the mean of its divisors is an integer number (22486158).

Almost surely, 2^345560538 is an apocalyptic number.

345560538 is an abundant number, since it is smaller than the sum of its proper divisors (373996518).

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

345560538 is a wasteful number, since it uses less digits than its factorization.

345560538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21438.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 345560538 is about 18589.2586726851. The cubic root of 345560538 is about 701.7375460646.

The spelling of 345560538 in words is "three hundred forty-five million, five hundred sixty thousand, five hundred thirty-eight".