344342812 has 12 divisors (see below), whose sum is σ = 657381816. Its totient is φ = 156519440.

The previous prime is 344342809. The next prime is 344342819. The reversal of 344342812 is 218243443.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344342819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3912943 + ... + 3913030.

It is an arithmetic number, because the mean of its divisors is an integer number (54781818).

Almost surely, 2^344342812 is an apocalyptic number.

It is an amenable number.

344342812 is a deficient number, since it is larger than the sum of its proper divisors (313039004).

344342812 is a wasteful number, since it uses less digits than its factorization.

344342812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7825988 (or 7825986 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 344342812 is about 18556.4762818807. The cubic root of 344342812 is about 700.9122880780.

The spelling of 344342812 in words is "three hundred forty-four million, three hundred forty-two thousand, eight hundred twelve".