349698923 has 16 divisors (see below), whose sum is σ = 420879360. Its totient is φ = 284065056.

The previous prime is 349698917. The next prime is 349698949. The reversal of 349698923 is 329896943.

It is a cyclic number.

It is not a de Polignac number, because 349698923 - 2⁶ = 349698859 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349698983) 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, 7586 + ... + 27512.

It is an arithmetic number, because the mean of its divisors is an integer number (26304960).

Almost surely, 2^349698923 is an apocalyptic number.

349698923 is a deficient number, since it is larger than the sum of its proper divisors (71180437).

349698923 is a wasteful number, since it uses less digits than its factorization.

349698923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20066.

The product of its digits is 2519424, while the sum is 53.

The square root of 349698923 is about 18700.2385813657. The cubic root of 349698923 is about 704.5277409922.

The spelling of 349698923 in words is "three hundred forty-nine million, six hundred ninety-eight thousand, nine hundred twenty-three".