2664797 has 4 divisors (see below), whose sum is σ = 2672700. Its totient is φ = 2656896.

The previous prime is 2664793. The next prime is 2664811. The reversal of 2664797 is 7974662.

2664797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1692601 + 972196 = 1301^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664797 - 2² = 2664793 is a prime.

It is a super-2 number, since 2×2664797² = 14202286102418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3422 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (668175).

2^2664797 is an apocalyptic number.

It is an amenable number.

2664797 is a deficient number, since it is larger than the sum of its proper divisors (7903).

2664797 is an equidigital number, since it uses as much as digits as its factorization.

2664797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902.

The product of its digits is 127008, while the sum is 41.

The square root of 2664797 is about 1632.4205953124. The cubic root of 2664797 is about 138.6398384314.

The spelling of 2664797 in words is "two million, six hundred sixty-four thousand, seven hundred ninety-seven".