349734417 has 8 divisors (see below), whose sum is σ = 470929920. Its totient is φ = 230847600.

The previous prime is 349734401. The next prime is 349734431. The reversal of 349734417 is 714437943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 349734417 - 2⁴ = 349734401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349730417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576817 + ... + 577422.

It is an arithmetic number, because the mean of its divisors is an integer number (58866240).

Almost surely, 2^349734417 is an apocalyptic number.

It is an amenable number.

349734417 is a deficient number, since it is larger than the sum of its proper divisors (121195503).

349734417 is a wasteful number, since it uses less digits than its factorization.

349734417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154343.

The product of its digits is 254016, while the sum is 42.

The square root of 349734417 is about 18701.1875826109. The cubic root of 349734417 is about 704.5515764117.

The spelling of 349734417 in words is "three hundred forty-nine million, seven hundred thirty-four thousand, four hundred seventeen".