2664917 has 4 divisors (see below), whose sum is σ = 2668320. Its totient is φ = 2661516.

The previous prime is 2664911. The next prime is 2664923. The reversal of 2664917 is 7194662.

2664917 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2664911) and next prime (2664923).

It is a cyclic number.

It is not a de Polignac number, because 2664917 - 2⁴ = 2664901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664911) 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, 134 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (667080).

2^2664917 is an apocalyptic number.

It is an amenable number.

2664917 is a deficient number, since it is larger than the sum of its proper divisors (3403).

2664917 is a wasteful number, since it uses less digits than its factorization.

2664917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402.

The product of its digits is 18144, while the sum is 35.

The square root of 2664917 is about 1632.4573501320. The cubic root of 2664917 is about 138.6419194568.

The spelling of 2664917 in words is "two million, six hundred sixty-four thousand, nine hundred seventeen".