2660867 has 8 divisors (see below), whose sum is σ = 2944512. Its totient is φ = 2384200.

The previous prime is 2660863. The next prime is 2660869. The reversal of 2660867 is 7680662.

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 2660867 - 2² = 2660863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2660863) 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, 923 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (368064).

2^2660867 is an apocalyptic number.

2660867 is a deficient number, since it is larger than the sum of its proper divisors (283645).

2660867 is a wasteful number, since it uses less digits than its factorization.

2660867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2660867 is about 1631.2164172788. The cubic root of 2660867 is about 138.5716502939.

The spelling of 2660867 in words is "two million, six hundred sixty thousand, eight hundred sixty-seven".