349017306 has 32 divisors (see below), whose sum is σ = 764425728. Its totient is φ = 105355440.

The previous prime is 349017299. The next prime is 349017343. The reversal of 349017306 is 603710943.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 7305 + ... + 27411.

It is an arithmetic number, because the mean of its divisors is an integer number (23888304).

Almost surely, 2^349017306 is an apocalyptic number.

349017306 is an abundant number, since it is smaller than the sum of its proper divisors (415408422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349017306 is a wasteful number, since it uses less digits than its factorization.

349017306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20386.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 349017306 is about 18682.0048709982. The cubic root of 349017306 is about 704.0696989468.

The spelling of 349017306 in words is "three hundred forty-nine million, seventeen thousand, three hundred six".