2664867 has 8 divisors (see below), whose sum is σ = 3568320. Its totient is φ = 1769000.

The previous prime is 2664859. The next prime is 2664889. The reversal of 2664867 is 7684662.

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 2664867 - 2³ = 2664859 is a prime.

It is a super-2 number, since 2×2664867² = 14203032255378, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 6⁵ + 6⁷ + 4² + 8⁷ + 6⁷ + 7² .

It is not an unprimeable number, because it can be changed into a prime (2664817) 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, 1017 + ... + 2522.

It is an arithmetic number, because the mean of its divisors is an integer number (446040).

2^2664867 is an apocalyptic number.

2664867 is a deficient number, since it is larger than the sum of its proper divisors (903453).

2664867 is a wasteful number, since it uses less digits than its factorization.

2664867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its digits is 96768, while the sum is 39.

The square root of 2664867 is about 1632.4420357244. The cubic root of 2664867 is about 138.6410523705.

The spelling of 2664867 in words is "two million, six hundred sixty-four thousand, eight hundred sixty-seven".