343412172 has 144 divisors (see below), whose sum is σ = 991291392. Its totient is φ = 99601920.

The previous prime is 343412143. The next prime is 343412219. The reversal of 343412172 is 271214343.

It is a happy 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 47 ways as a sum of consecutive naturals, for example, 435963 + ... + 436749.

It is an arithmetic number, because the mean of its divisors is an integer number (6883968).

Almost surely, 2^343412172 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 343412172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495645696).

343412172 is an abundant number, since it is smaller than the sum of its proper divisors (647879220).

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

343412172 is a wasteful number, since it uses less digits than its factorization.

343412172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 863 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 343412172 is about 18531.3834345955. The cubic root of 343412172 is about 700.2802768791.

The spelling of 343412172 in words is "three hundred forty-three million, four hundred twelve thousand, one hundred seventy-two".