2664120 has 48 divisors (see below), whose sum is σ = 8046360. Its totient is φ = 705664.

The previous prime is 2664097. The next prime is 2664127. The reversal of 2664120 is 214662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17806 + ... + 17954.

2^2664120 is an apocalyptic number.

2664120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2664120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4023180).

2664120 is an abundant number, since it is smaller than the sum of its proper divisors (5382240).

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

2664120 is a wasteful number, since it uses less digits than its factorization.

2664120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2664120 is about 1632.2132213654. The cubic root of 2664120 is about 138.6280968090.

Adding to 2664120 its reverse (214662), we get a palindrome (2878782).

It can be divided in two parts, 26 and 64120, that added together give a palindrome (64146).

The spelling of 2664120 in words is "two million, six hundred sixty-four thousand, one hundred twenty".