344678860 has 24 divisors (see below), whose sum is σ = 724376016. Its totient is φ = 137766720.

The previous prime is 344678857. The next prime is 344678861. The reversal of 344678860 is 68876443.

It is a self number, because there is not a number n which added to its sum of digits gives 344678860.

It is not an unprimeable number, because it can be changed into a prime (344678861) 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 7 ways as a sum of consecutive naturals, for example, 23850 + ... + 35470.

It is an arithmetic number, because the mean of its divisors is an integer number (30182334).

Almost surely, 2^344678860 is an apocalyptic number.

It is an amenable number.

344678860 is an abundant number, since it is smaller than the sum of its proper divisors (379697156).

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

344678860 is a wasteful number, since it uses less digits than its factorization.

344678860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113 (or 13111 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The square root of 344678860 is about 18565.5288101363. The cubic root of 344678860 is about 701.1402233253.

The spelling of 344678860 in words is "three hundred forty-four million, six hundred seventy-eight thousand, eight hundred sixty".