2664971 has 8 divisors (see below), whose sum is σ = 2870640. Its totient is φ = 2464768.

The previous prime is 2664967. The next prime is 2664989. The reversal of 2664971 is 1794662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2664971 - 2² = 2664967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (358830).

2^2664971 is an apocalyptic number.

2664971 is a deficient number, since it is larger than the sum of its proper divisors (205669).

2664971 is a wasteful number, since it uses less digits than its factorization.

2664971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733.

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

The square root of 2664971 is about 1632.4738895309. The cubic root of 2664971 is about 138.6428558979.

The spelling of 2664971 in words is "two million, six hundred sixty-four thousand, nine hundred seventy-one".