349785834 has 32 divisors (see below), whose sum is σ = 734000640. Its totient is φ = 110980800.

The previous prime is 349785781. The next prime is 349785841. The reversal of 349785834 is 438587943.

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, 4069 + ... + 26760.

It is an arithmetic number, because the mean of its divisors is an integer number (22937520).

Almost surely, 2^349785834 is an apocalyptic number.

349785834 is an abundant number, since it is smaller than the sum of its proper divisors (384214806).

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

349785834 is a wasteful number, since it uses less digits than its factorization.

349785834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30926.

The product of its digits is 2903040, while the sum is 51.

The square root of 349785834 is about 18702.5622308816. The cubic root of 349785834 is about 704.5861018035.

The spelling of 349785834 in words is "three hundred forty-nine million, seven hundred eighty-five thousand, eight hundred thirty-four".