2664495 has 56 divisors (see below), whose sum is σ = 5193936. Its totient is φ = 1306368.

The previous prime is 2664479. The next prime is 2664511. The reversal of 2664495 is 5944662.

2664495 is a `hidden beast` number, since 2 + 6 + 644 + 9 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2664479) and next prime (2664511).

It is not a de Polignac number, because 2664495 - 2⁴ = 2664479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 61944 + ... + 61986.

2^2664495 is an apocalyptic number.

2664495 is a deficient number, since it is larger than the sum of its proper divisors (2529441).

2664495 is an equidigital number, since it uses as much as digits as its factorization.

2664495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 68 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2664495 is about 1632.3280920207. The cubic root of 2664495 is about 138.6346009076.

It can be divided in two parts, 266 and 4495, that added together give a square (4761 = 69²).

The spelling of 2664495 in words is "two million, six hundred sixty-four thousand, four hundred ninety-five".