344252128 has 48 divisors (see below), whose sum is σ = 748331136. Its totient is φ = 154579840.

The previous prime is 344252101. The next prime is 344252171. The reversal of 344252128 is 821252443.

It is a self number, because there is not a number n which added to its sum of digits gives 344252128.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 23325 + ... + 35107.

It is an arithmetic number, because the mean of its divisors is an integer number (15590232).

Almost surely, 2^344252128 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 344252128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374165568).

344252128 is an abundant number, since it is smaller than the sum of its proper divisors (404079008).

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

344252128 is a wasteful number, since it uses less digits than its factorization.

344252128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887 (or 11879 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 344252128 is about 18554.0326613920. The cubic root of 344252128 is about 700.8507533630.

The spelling of 344252128 in words is "three hundred forty-four million, two hundred fifty-two thousand, one hundred twenty-eight".