349089297 has 4 divisors (see below), whose sum is σ = 465452400. Its totient is φ = 232726196.

The previous prime is 349089281. The next prime is 349089313. The reversal of 349089297 is 792980943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 792980943 = 3 ⋅264326981.

It is an interprime number because it is at equal distance from previous prime (349089281) and next prime (349089313).

It is a cyclic number.

It is not a de Polignac number, because 349089297 - 2⁴ = 349089281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349089197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58181547 + ... + 58181552.

It is an arithmetic number, because the mean of its divisors is an integer number (116363100).

Almost surely, 2^349089297 is an apocalyptic number.

It is an amenable number.

349089297 is a deficient number, since it is larger than the sum of its proper divisors (116363103).

349089297 is a wasteful number, since it uses less digits than its factorization.

349089297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116363102.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 349089297 is about 18683.9315188212. The cubic root of 349089297 is about 704.1181045667.

The spelling of 349089297 in words is "three hundred forty-nine million, eighty-nine thousand, two hundred ninety-seven".