2665044 has 36 divisors (see below), whose sum is σ = 6790420. Its totient is φ = 881280.

The previous prime is 2665043. The next prime is 2665051. The reversal of 2665044 is 4405662.

It is a happy number.

2665044 is a `hidden beast` number, since 2 + 6 + 650 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 1587600 = 1038^2 + 1260^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a plaindrome in base 15.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2664999 and 2665017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665043) 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, 6312 + ... + 6720.

2^2665044 is an apocalyptic number.

It is an amenable number.

2665044 is an abundant number, since it is smaller than the sum of its proper divisors (4125376).

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

2665044 is a wasteful number, since it uses less digits than its factorization.

2665044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2665044 is about 1632.4962480814. The cubic root of 2665044 is about 138.6441218073.

The spelling of 2665044 in words is "two million, six hundred sixty-five thousand, forty-four".