345504039 has 32 divisors (see below), whose sum is σ = 503522496. Its totient is φ = 209848320.

The previous prime is 345504023. The next prime is 345504041. The reversal of 345504039 is 930405543.

It is not a de Polignac number, because 345504039 - 2⁴ = 345504023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345504079) 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 31 ways as a sum of consecutive naturals, for example, 522369 + ... + 523029.

It is an arithmetic number, because the mean of its divisors is an integer number (15735078).

Almost surely, 2^345504039 is an apocalyptic number.

345504039 is a deficient number, since it is larger than the sum of its proper divisors (158018457).

345504039 is a wasteful number, since it uses less digits than its factorization.

345504039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 345504039 is about 18587.7389426471. The cubic root of 345504039 is about 701.6992993840.

The spelling of 345504039 in words is "three hundred forty-five million, five hundred four thousand, thirty-nine".