343972830 has 16 divisors (see below), whose sum is σ = 825534864. Its totient is φ = 91726080.

The previous prime is 343972829. The next prime is 343972859. The reversal of 343972830 is 38279343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5732851 + ... + 5732910.

It is an arithmetic number, because the mean of its divisors is an integer number (51595929).

Almost surely, 2^343972830 is an apocalyptic number.

343972830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

343972830 is an abundant number, since it is smaller than the sum of its proper divisors (481562034).

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

343972830 is a wasteful number, since it uses less digits than its factorization.

343972830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11465771.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 343972830 is about 18546.5045224161. The cubic root of 343972830 is about 700.6611644356.

The spelling of 343972830 in words is "three hundred forty-three million, nine hundred seventy-two thousand, eight hundred thirty".