2664365 has 16 divisors (see below), whose sum is σ = 3519936. Its totient is φ = 1920000.

The previous prime is 2664353. The next prime is 2664367. The reversal of 2664365 is 5634662.

It is not a de Polignac number, because 2664365 - 2¹⁶ = 2598829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10490 + ... + 10740.

It is an arithmetic number, because the mean of its divisors is an integer number (219996).

2^2664365 is an apocalyptic number.

It is an amenable number.

2664365 is a deficient number, since it is larger than the sum of its proper divisors (855571).

2664365 is a wasteful number, since it uses less digits than its factorization.

2664365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its digits is 25920, while the sum is 32.

The square root of 2664365 is about 1632.2882711090. The cubic root of 2664365 is about 138.6323462225.

The spelling of 2664365 in words is "two million, six hundred sixty-four thousand, three hundred sixty-five".