344634312 has 128 divisors (see below), whose sum is σ = 999014400. Its totient is φ = 97977600.

The previous prime is 344634299. The next prime is 344634313. The reversal of 344634312 is 213436443.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 344634312.

It is not an unprimeable number, because it can be changed into a prime (344634313) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 636762 + ... + 637302.

It is an arithmetic number, because the mean of its divisors is an integer number (7804800).

Almost surely, 2^344634312 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 344634312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499507200).

344634312 is an abundant number, since it is smaller than the sum of its proper divisors (654380088).

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

344634312 is a wasteful number, since it uses less digits than its factorization.

344634312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 703 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

The square root of 344634312 is about 18564.3290210015. The cubic root of 344634312 is about 701.1100157475.

The spelling of 344634312 in words is "three hundred forty-four million, six hundred thirty-four thousand, three hundred twelve".