349923959 has 16 divisors (see below), whose sum is σ = 436907520. Its totient is φ = 272268960.

The previous prime is 349923941. The next prime is 349923979. The reversal of 349923959 is 959329943.

It is a cyclic number.

It is not a de Polignac number, because 349923959 - 2¹² = 349919863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349923959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349923929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56582 + ... + 62460.

It is an arithmetic number, because the mean of its divisors is an integer number (27306720).

Almost surely, 2^349923959 is an apocalyptic number.

349923959 is a deficient number, since it is larger than the sum of its proper divisors (86983561).

349923959 is a wasteful number, since it uses less digits than its factorization.

349923959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670.

The product of its digits is 2361960, while the sum is 53.

The square root of 349923959 is about 18706.2545422647. The cubic root of 349923959 is about 704.6788329726.

The spelling of 349923959 in words is "three hundred forty-nine million, nine hundred twenty-three thousand, nine hundred fifty-nine".