344389752 has 128 divisors (see below), whose sum is σ = 1118937600. Its totient is φ = 96090624.

The previous prime is 344389733. The next prime is 344389753. The reversal of 344389752 is 257983443.

It is a junction number, because it is equal to n+sod(n) for n = 344389698 and 344389707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344389753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62368 + ... + 67664.

It is an arithmetic number, because the mean of its divisors is an integer number (8741700).

Almost surely, 2^344389752 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 344389752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559468800).

344389752 is an abundant number, since it is smaller than the sum of its proper divisors (774547848).

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

344389752 is a wasteful number, since it uses less digits than its factorization.

344389752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362 (or 5352 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 344389752 is about 18557.7410263211. The cubic root of 344389752 is about 700.9441355343.

The spelling of 344389752 in words is "three hundred forty-four million, three hundred eighty-nine thousand, seven hundred fifty-two".