343386972 has 48 divisors (see below), whose sum is σ = 911988000. Its totient is φ = 111669120.

The previous prime is 343386959. The next prime is 343386991. The reversal of 343386972 is 279683343.

343386972 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×343386972² = 235829225078657568, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 34347 + ... + 43202.

It is an arithmetic number, because the mean of its divisors is an integer number (18999750).

Almost surely, 2^343386972 is an apocalyptic number.

It is an amenable number.

343386972 is an abundant number, since it is smaller than the sum of its proper divisors (568601028).

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

343386972 is a wasteful number, since it uses less digits than its factorization.

343386972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77603 (or 77595 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 343386972 is about 18530.7034944710. The cubic root of 343386972 is about 700.2631473225.

The spelling of 343386972 in words is "three hundred forty-three million, three hundred eighty-six thousand, nine hundred seventy-two".