345729904 has 20 divisors (see below), whose sum is σ = 721379176. Its totient is φ = 159567552.

The previous prime is 345729899. The next prime is 345729931. The reversal of 345729904 is 409927543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830874 + ... + 831289.

Almost surely, 2^345729904 is an apocalyptic number.

It is an amenable number.

345729904 is an abundant number, since it is smaller than the sum of its proper divisors (375649272).

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

345729904 is a wasteful number, since it uses less digits than its factorization.

345729904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662184 (or 1662178 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 345729904 is about 18593.8135948492. The cubic root of 345729904 is about 701.8521724532.

The spelling of 345729904 in words is "three hundred forty-five million, seven hundred twenty-nine thousand, nine hundred four".