349668417 has 16 divisors (see below), whose sum is σ = 538004480. Its totient is φ = 197869392.

The previous prime is 349668383. The next prime is 349668421. The reversal of 349668417 is 714866943.

It is not a de Polignac number, because 349668417 - 2¹⁴ = 349652033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349668017) 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, 78667 + ... + 82992.

It is an arithmetic number, because the mean of its divisors is an integer number (33625280).

Almost surely, 2^349668417 is an apocalyptic number.

It is an amenable number.

349668417 is a deficient number, since it is larger than the sum of its proper divisors (188336063).

349668417 is a wasteful number, since it uses less digits than its factorization.

349668417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161772.

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

The square root of 349668417 is about 18699.4229055337. The cubic root of 349668417 is about 704.5072538942.

The spelling of 349668417 in words is "three hundred forty-nine million, six hundred sixty-eight thousand, four hundred seventeen".