349500838 has 4 divisors (see below), whose sum is σ = 524251260. Its totient is φ = 174750418.

The previous prime is 349500821. The next prime is 349500857. The reversal of 349500838 is 838005943.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 349500838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87375208 + ... + 87375211.

It is an arithmetic number, because the mean of its divisors is an integer number (131062815).

Almost surely, 2^349500838 is an apocalyptic number.

349500838 is a deficient number, since it is larger than the sum of its proper divisors (174750422).

349500838 is a wasteful number, since it uses less digits than its factorization.

349500838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174750421.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 349500838 is about 18694.9415083332. The cubic root of 349500838 is about 704.3946906003.

The spelling of 349500838 in words is "three hundred forty-nine million, five hundred thousand, eight hundred thirty-eight".