349318836 has 36 divisors (see below), whose sum is σ = 889752864. Its totient is φ = 115549200.

The previous prime is 349318789. The next prime is 349318841. The reversal of 349318836 is 638813943.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 349318791 and 349318800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32320 + ... + 41751.

Almost surely, 2^349318836 is an apocalyptic number.

349318836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

349318836 is an abundant number, since it is smaller than the sum of its proper divisors (540434028).

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

349318836 is a wasteful number, since it uses less digits than its factorization.

349318836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74212 (or 74207 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 349318836 is about 18690.0731940782. The cubic root of 349318836 is about 704.2723985689.

The spelling of 349318836 in words is "three hundred forty-nine million, three hundred eighteen thousand, eight hundred thirty-six".