349476665 has 16 divisors (see below), whose sum is σ = 426422016. Its totient is φ = 274920000.

The previous prime is 349476653. The next prime is 349476679. The reversal of 349476665 is 566674943.

It is not a de Polignac number, because 349476665 - 2⁶ = 349476601 is a prime.

It is a Duffinian 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, 73964 + ... + 78546.

It is an arithmetic number, because the mean of its divisors is an integer number (26651376).

Almost surely, 2^349476665 is an apocalyptic number.

It is an amenable number.

349476665 is a deficient number, since it is larger than the sum of its proper divisors (76945351).

349476665 is a wasteful number, since it uses less digits than its factorization.

349476665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840.

The product of its digits is 3265920, while the sum is 50.

The square root of 349476665 is about 18694.2949853692. The cubic root of 349476665 is about 704.3784505578.

The spelling of 349476665 in words is "three hundred forty-nine million, four hundred seventy-six thousand, six hundred sixty-five".