349758636 has 12 divisors (see below), whose sum is σ = 816103512. Its totient is φ = 116586208.

The previous prime is 349758601. The next prime is 349758641. The reversal of 349758636 is 636857943.

349758636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×349758636² = 244662206913160992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14573265 + ... + 14573288.

It is an arithmetic number, because the mean of its divisors is an integer number (68008626).

Almost surely, 2^349758636 is an apocalyptic number.

It is an amenable number.

349758636 is an abundant number, since it is smaller than the sum of its proper divisors (466344876).

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

349758636 is a wasteful number, since it uses less digits than its factorization.

349758636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29146560 (or 29146558 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The square root of 349758636 is about 18701.8350971235. The cubic root of 349758636 is about 704.5678393624.

The spelling of 349758636 in words is "three hundred forty-nine million, seven hundred fifty-eight thousand, six hundred thirty-six".