345603839 has 8 divisors (see below), whose sum is σ = 396748800. Its totient is φ = 294902136.

The previous prime is 345603809. The next prime is 345603871. The reversal of 345603839 is 938306543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345603839 - 2²⁸ = 77168383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345603796 and 345603805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345603809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109139 + ... + 112260.

It is an arithmetic number, because the mean of its divisors is an integer number (49593600).

Almost surely, 2^345603839 is an apocalyptic number.

345603839 is a deficient number, since it is larger than the sum of its proper divisors (51144961).

345603839 is a wasteful number, since it uses less digits than its factorization.

345603839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221629.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 345603839 is about 18590.4233141690. The cubic root of 345603839 is about 701.7668556115.

The spelling of 345603839 in words is "three hundred forty-five million, six hundred three thousand, eight hundred thirty-nine".