349590671 has 4 divisors (see below), whose sum is σ = 367990200. Its totient is φ = 331191144.

The previous prime is 349590629. The next prime is 349590673. The reversal of 349590671 is 176095943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349590671 - 2⁶ = 349590607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349590673) 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, 9199736 + ... + 9199773.

It is an arithmetic number, because the mean of its divisors is an integer number (91997550).

Almost surely, 2^349590671 is an apocalyptic number.

349590671 is a deficient number, since it is larger than the sum of its proper divisors (18399529).

349590671 is a wasteful number, since it uses less digits than its factorization.

349590671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18399528.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 349590671 is about 18697.3439557601. The cubic root of 349590671 is about 704.4550361567.

The spelling of 349590671 in words is "three hundred forty-nine million, five hundred ninety thousand, six hundred seventy-one".