2658867 has 8 divisors (see below), whose sum is σ = 3582096. Its totient is φ = 1754112.

The previous prime is 2658863. The next prime is 2658871. The reversal of 2658867 is 7688562.

It is an interprime number because it is at equal distance from previous prime (2658863) and next prime (2658871).

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

It is not a de Polignac number, because 2658867 - 2² = 2658863 is a prime.

2658867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2658863) 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, 4278 + ... + 4859.

It is an arithmetic number, because the mean of its divisors is an integer number (447762).

2^2658867 is an apocalyptic number.

2658867 is a deficient number, since it is larger than the sum of its proper divisors (923229).

2658867 is an equidigital number, since it uses as much as digits as its factorization.

2658867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9237.

The product of its digits is 161280, while the sum is 42.

The square root of 2658867 is about 1630.6032625995. The cubic root of 2658867 is about 138.5369231710.

The spelling of 2658867 in words is "two million, six hundred fifty-eight thousand, eight hundred sixty-seven".