344140212 has 48 divisors (see below), whose sum is σ = 866138112. Its totient is φ = 105720960.

The previous prime is 344140211. The next prime is 344140213. The reversal of 344140212 is 212041443.

It is an interprime number because it is at equal distance from previous prime (344140211) and next prime (344140213).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344140211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126733 + ... + 129419.

It is an arithmetic number, because the mean of its divisors is an integer number (18044544).

Almost surely, 2^344140212 is an apocalyptic number.

It is an amenable number.

344140212 is an abundant number, since it is smaller than the sum of its proper divisors (521997900).

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

344140212 is a wasteful number, since it uses less digits than its factorization.

344140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3526 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 344140212 is about 18551.0164681076. The cubic root of 344140212 is about 700.7747965202.

Adding to 344140212 its reverse (212041443), we get a palindrome (556181655).

The spelling of 344140212 in words is "three hundred forty-four million, one hundred forty thousand, two hundred twelve".