349052830 has 32 divisors (see below), whose sum is σ = 749274624. Its totient is φ = 114471456.

The previous prime is 349052813. The next prime is 349052833. The reversal of 349052830 is 38250943.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349052833) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 106792 + ... + 110011.

It is an arithmetic number, because the mean of its divisors is an integer number (23414832).

Almost surely, 2^349052830 is an apocalyptic number.

349052830 is an abundant number, since it is smaller than the sum of its proper divisors (400221794).

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

349052830 is a wasteful number, since it uses less digits than its factorization.

349052830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216840.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 349052830 is about 18682.9556012961. The cubic root of 349052830 is about 704.0935855593.

The spelling of 349052830 in words is "three hundred forty-nine million, fifty-two thousand, eight hundred thirty".