349234520 has 16 divisors (see below), whose sum is σ = 785777760. Its totient is φ = 139693792.

The previous prime is 349234513. The next prime is 349234531. The reversal of 349234520 is 25432943.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4365392 + ... + 4365471.

It is an arithmetic number, because the mean of its divisors is an integer number (49111110).

Almost surely, 2^349234520 is an apocalyptic number.

It is an amenable number.

349234520 is an abundant number, since it is smaller than the sum of its proper divisors (436543240).

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

349234520 is a wasteful number, since it uses less digits than its factorization.

349234520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730874 (or 8730870 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 349234520 is about 18687.8174220533. The cubic root of 349234520 is about 704.2157299863.

The spelling of 349234520 in words is "three hundred forty-nine million, two hundred thirty-four thousand, five hundred twenty".