2320164 has 144 divisors (see below), whose sum is σ = 7827456. Its totient is φ = 583200.

The previous prime is 2320139. The next prime is 2320169. The reversal of 2320164 is 4610232.

It is a happy number.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2320169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74829 + ... + 74859.

2^2320164 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 2320164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3913728).

2320164 is an abundant number, since it is smaller than the sum of its proper divisors (5507292).

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

2320164 is a wasteful number, since it uses less digits than its factorization.

2320164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2320164 is about 1523.2084558589. The cubic root of 2320164 is about 132.3852382358.

Adding to 2320164 its reverse (4610232), we get a palindrome (6930396).

The spelling of 2320164 in words is "two million, three hundred twenty thousand, one hundred sixty-four".