349418605 has 16 divisors (see below), whose sum is σ = 430230528. Its totient is φ = 272272000.

The previous prime is 349418579. The next prime is 349418621. The reversal of 349418605 is 506814943.

It is not a de Polignac number, because 349418605 - 2¹⁵ = 349385837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185820 + ... + 187690.

It is an arithmetic number, because the mean of its divisors is an integer number (26889408).

Almost surely, 2^349418605 is an apocalyptic number.

It is an amenable number.

349418605 is a deficient number, since it is larger than the sum of its proper divisors (80811923).

349418605 is a wasteful number, since it uses less digits than its factorization.

349418605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 349418605 is about 18692.7420406959. The cubic root of 349418605 is about 704.3394412982.

The spelling of 349418605 in words is "three hundred forty-nine million, four hundred eighteen thousand, six hundred five".