349206286 has 32 divisors (see below), whose sum is σ = 642152448. Its totient is φ = 140147040.

The previous prime is 349206281. The next prime is 349206343. The reversal of 349206286 is 682602943.

349206286 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349206281) 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, 19966 + ... + 33121.

It is an arithmetic number, because the mean of its divisors is an integer number (20067264).

Almost surely, 2^349206286 is an apocalyptic number.

349206286 is a deficient number, since it is larger than the sum of its proper divisors (292946162).

349206286 is a wasteful number, since it uses less digits than its factorization.

349206286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53136.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 349206286 is about 18687.0619948669. The cubic root of 349206286 is about 704.1967519437.

The spelling of 349206286 in words is "three hundred forty-nine million, two hundred six thousand, two hundred eighty-six".