343213872 has 80 divisors (see below), whose sum is σ = 937440000. Its totient is φ = 107903232.

The previous prime is 343213861. The next prime is 343213903. The reversal of 343213872 is 278312343.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244629 + ... + 246027.

It is an arithmetic number, because the mean of its divisors is an integer number (11718000).

Almost surely, 2^343213872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343213872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468720000).

343213872 is an abundant number, since it is smaller than the sum of its proper divisors (594226128).

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

343213872 is a wasteful number, since it uses less digits than its factorization.

343213872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1692 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 343213872 is about 18526.0322789312. The cubic root of 343213872 is about 700.1454609274.

The spelling of 343213872 in words is "three hundred forty-three million, two hundred thirteen thousand, eight hundred seventy-two".