2664465 has 16 divisors (see below), whose sum is σ = 4488000. Its totient is φ = 1346112.

The previous prime is 2664451. The next prime is 2664479. The reversal of 2664465 is 5644662.

It is an interprime number because it is at equal distance from previous prime (2664451) and next prime (2664479).

It is not a de Polignac number, because 2664465 - 2⁴ = 2664449 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6³ + 6⁷ + 4 + 4⁶ + 6⁷ + 5⁵ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4390 + ... + 4959.

It is an arithmetic number, because the mean of its divisors is an integer number (280500).

2^2664465 is an apocalyptic number.

It is an amenable number.

2664465 is a deficient number, since it is larger than the sum of its proper divisors (1823535).

2664465 is a wasteful number, since it uses less digits than its factorization.

2664465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376.

The product of its digits is 34560, while the sum is 33.

The square root of 2664465 is about 1632.3189026658. The cubic root of 2664465 is about 138.6340806022.

The spelling of 2664465 in words is "two million, six hundred sixty-four thousand, four hundred sixty-five".