344021164 has 12 divisors (see below), whose sum is σ = 602187264. Its totient is φ = 171967664.

The previous prime is 344021159. The next prime is 344021173. The reversal of 344021164 is 461120443.

It is a super-2 number, since 2×344021164² = 236701122559829792, which contains 22 as substring.

344021164 is a modest number, since divided by 21164 gives 344 as remainder.

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 3 ways as a sum of consecutive naturals, for example, 13269 + ... + 29395.

It is an arithmetic number, because the mean of its divisors is an integer number (50182272).

Almost surely, 2^344021164 is an apocalyptic number.

It is an amenable number.

344021164 is a deficient number, since it is larger than the sum of its proper divisors (258166100).

344021164 is a wasteful number, since it uses less digits than its factorization.

344021164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21464 (or 21462 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 344021164 is about 18547.8075254193. The cubic root of 344021164 is about 700.6939811463.

The spelling of 344021164 in words is "three hundred forty-four million, twenty-one thousand, one hundred sixty-four".