349532897 has 4 divisors (see below), whose sum is σ = 399466176. Its totient is φ = 299599620.

The previous prime is 349532879. The next prime is 349532899. The reversal of 349532897 is 798235943.

It is a happy number.

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: 798235943 = 107 ⋅7460149.

It is a cyclic number.

It is not a de Polignac number, because 349532897 - 2²⁰ = 348484321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349532899) 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, 24966629 + ... + 24966642.

It is an arithmetic number, because the mean of its divisors is an integer number (99866544).

Almost surely, 2^349532897 is an apocalyptic number.

It is an amenable number.

349532897 is a deficient number, since it is larger than the sum of its proper divisors (49933279).

349532897 is an equidigital number, since it uses as much as digits as its factorization.

349532897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49933278.

The product of its digits is 1632960, while the sum is 50.

The square root of 349532897 is about 18695.7989131248. The cubic root of 349532897 is about 704.4162275053.

The spelling of 349532897 in words is "three hundred forty-nine million, five hundred thirty-two thousand, eight hundred ninety-seven".