2164449 has 8 divisors (see below), whose sum is σ = 3298240. Its totient is φ = 1236816.

The previous prime is 2164447. The next prime is 2164453. The reversal of 2164449 is 9444612.

2164449 = T₂₃₀ + T₂₃₁ + ... + T₂₉₂.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2164449 - 2¹ = 2164447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51514 + ... + 51555.

It is an arithmetic number, because the mean of its divisors is an integer number (412280).

2^2164449 is an apocalyptic number.

It is an amenable number.

2164449 is a deficient number, since it is larger than the sum of its proper divisors (1133791).

2164449 is a wasteful number, since it uses less digits than its factorization.

2164449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103079.

The product of its digits is 6912, while the sum is 30.

The square root of 2164449 is about 1471.2066476196. The cubic root of 2164449 is about 129.3547712777.

It can be divided in two parts, 2 and 164449, that added together give a triangular number (164451 = T₅₇₃).

The spelling of 2164449 in words is "two million, one hundred sixty-four thousand, four hundred forty-nine".