349422897 has 4 divisors (see below), whose sum is σ = 465897200. Its totient is φ = 232948596.

The previous prime is 349422883. The next prime is 349422907. The reversal of 349422897 is 798224943.

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: 798224943 = 3 ⋅266074981.

It is not a de Polignac number, because 349422897 - 2⁴ = 349422881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349429897) 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, 58237147 + ... + 58237152.

It is an arithmetic number, because the mean of its divisors is an integer number (116474300).

Almost surely, 2^349422897 is an apocalyptic number.

It is an amenable number.

349422897 is a deficient number, since it is larger than the sum of its proper divisors (116474303).

349422897 is a wasteful number, since it uses less digits than its factorization.

349422897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116474302.

The product of its digits is 870912, while the sum is 48.

The square root of 349422897 is about 18692.8568442601. The cubic root of 349422897 is about 704.3423251482.

The spelling of 349422897 in words is "three hundred forty-nine million, four hundred twenty-two thousand, eight hundred ninety-seven".