345695039 has 4 divisors (see below), whose sum is σ = 347432400. Its totient is φ = 343957680.

The previous prime is 345695029. The next prime is 345695047. The reversal of 345695039 is 930596543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345695039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345695029) by changing a digit.

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, 868382 + ... + 868779.

It is an arithmetic number, because the mean of its divisors is an integer number (86858100).

Almost surely, 2^345695039 is an apocalyptic number.

345695039 is a deficient number, since it is larger than the sum of its proper divisors (1737361).

345695039 is a wasteful number, since it uses less digits than its factorization.

345695039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737360.

The product of its (nonzero) digits is 437400, while the sum is 44.

The square root of 345695039 is about 18592.8760281996. The cubic root of 345695039 is about 701.8285789887.

The spelling of 345695039 in words is "three hundred forty-five million, six hundred ninety-five thousand, thirty-nine".