349042653 has 12 divisors (see below), whose sum is σ = 515898240. Its totient is φ = 227283336.

The previous prime is 349042607. The next prime is 349042669. The reversal of 349042653 is 356240943.

It is not a de Polignac number, because 349042653 - 2²⁵ = 315488221 is a prime.

It is a super-2 number, since 2×349042653² = 243661547226556818, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349042693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450573 + ... + 451346.

It is an arithmetic number, because the mean of its divisors is an integer number (42991520).

Almost surely, 2^349042653 is an apocalyptic number.

It is an amenable number.

349042653 is a deficient number, since it is larger than the sum of its proper divisors (166855587).

349042653 is a wasteful number, since it uses less digits than its factorization.

349042653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901968 (or 901965 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 349042653 is about 18682.6832387642. The cubic root of 349042653 is about 704.0867426314.

The spelling of 349042653 in words is "three hundred forty-nine million, forty-two thousand, six hundred fifty-three".