349875591 has 16 divisors (see below), whose sum is σ = 514641120. Its totient is φ = 210055680.

The previous prime is 349875583. The next prime is 349875593. The reversal of 349875591 is 195578943.

It is not a de Polignac number, because 349875591 - 2³ = 349875583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349875593) 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, 107806 + ... + 111003.

It is an arithmetic number, because the mean of its divisors is an integer number (32165070).

Almost surely, 2^349875591 is an apocalyptic number.

349875591 is a deficient number, since it is larger than the sum of its proper divisors (164765529).

349875591 is a wasteful number, since it uses less digits than its factorization.

349875591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218866.

The product of its digits is 1360800, while the sum is 51.

The square root of 349875591 is about 18704.9616679639. The cubic root of 349875591 is about 704.6463635599.

The spelling of 349875591 in words is "three hundred forty-nine million, eight hundred seventy-five thousand, five hundred ninety-one".