2040164 has 24 divisors (see below), whose sum is σ = 4166400. Its totient is φ = 873768.

The previous prime is 2040151. The next prime is 2040167. The reversal of 2040164 is 4610402.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2040167) 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, 629 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (173600).

2^2040164 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 2040164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083200).

2040164 is an abundant number, since it is smaller than the sum of its proper divisors (2126236).

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

2040164 is a wasteful number, since it uses less digits than its factorization.

2040164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2040164 is about 1428.3430960382. The cubic root of 2040164 is about 126.8299126356.

Adding to 2040164 its reverse (4610402), we get a palindrome (6650566).

The spelling of 2040164 in words is "two million, forty thousand, one hundred sixty-four".