2665764 has 24 divisors (see below), whose sum is σ = 6911520. Its totient is φ = 888552.

The previous prime is 2665763. The next prime is 2665771. The reversal of 2665764 is 4675662.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2665763) 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, 12234 + ... + 12449.

It is an arithmetic number, because the mean of its divisors is an integer number (287980).

2^2665764 is an apocalyptic number.

It is an amenable number.

2665764 is an abundant number, since it is smaller than the sum of its proper divisors (4245756).

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

2665764 is a wasteful number, since it uses less digits than its factorization.

2665764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696 (or 24688 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 2665764 is about 1632.7167543698. The cubic root of 2665764 is about 138.6566062516.

The spelling of 2665764 in words is "two million, six hundred sixty-five thousand, seven hundred sixty-four".