344689164 has 72 divisors (see below), whose sum is σ = 899091648. Its totient is φ = 111283200.

The previous prime is 344689153. The next prime is 344689181. The reversal of 344689164 is 461986443.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169884 + ... + 171900.

It is an arithmetic number, because the mean of its divisors is an integer number (12487384).

Almost surely, 2^344689164 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 344689164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449545824).

344689164 is an abundant number, since it is smaller than the sum of its proper divisors (554402484).

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

344689164 is a wasteful number, since it uses less digits than its factorization.

344689164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175 (or 2170 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 344689164 is about 18565.8063116041. The cubic root of 344689164 is about 701.1472099997.

The spelling of 344689164 in words is "three hundred forty-four million, six hundred eighty-nine thousand, one hundred sixty-four".