349814736 has 30 divisors (see below), whose sum is σ = 978995810. Its totient is φ = 116604864.

The previous prime is 349814723. The next prime is 349814741. The reversal of 349814736 is 637418943.

It can be written as a sum of positive squares in only one way, i.e., 186486336 + 163328400 = 13656^2 + 12780^2 .

It is a junction number, because it is equal to n+sod(n) for n = 349814691 and 349814700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1214491 + ... + 1214778.

Almost surely, 2^349814736 is an apocalyptic number.

349814736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

349814736 is an abundant number, since it is smaller than the sum of its proper divisors (629181074).

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

349814736 is a wasteful number, since it uses less digits than its factorization.

349814736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429283 (or 2429274 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 349814736 is about 18703.3348897997. The cubic root of 349814736 is about 704.6055073794.

The spelling of 349814736 in words is "three hundred forty-nine million, eight hundred fourteen thousand, seven hundred thirty-six".