349346836 has 6 divisors (see below), whose sum is σ = 611356970. Its totient is φ = 174673416.

The previous prime is 349346819. The next prime is 349346857. The reversal of 349346836 is 638643943.

It can be written as a sum of positive squares in only one way, i.e., 345736836 + 3610000 = 18594^2 + 1900^2 .

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, 43668351 + ... + 43668358.

Almost surely, 2^349346836 is an apocalyptic number.

It is an amenable number.

349346836 is a deficient number, since it is larger than the sum of its proper divisors (262010134).

349346836 is a wasteful number, since it uses less digits than its factorization.

349346836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87336713 (or 87336711 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 46.

The square root of 349346836 is about 18690.8222398053. The cubic root of 349346836 is about 704.2912152852.

The spelling of 349346836 in words is "three hundred forty-nine million, three hundred forty-six thousand, eight hundred thirty-six".