2689873 has 8 divisors (see below), whose sum is σ = 2835648. Its totient is φ = 2546544.

The previous prime is 2689867. The next prime is 2689877. The reversal of 2689873 is 3789862.

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 2689873 - 2⁹ = 2689361 is a prime.

It is a super-2 number, since 2×2689873² = 14470833512258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689877) 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, 1915 + ... + 3007.

It is an arithmetic number, because the mean of its divisors is an integer number (354456).

2^2689873 is an apocalyptic number.

2689873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2689873 is a deficient number, since it is larger than the sum of its proper divisors (145775).

2689873 is a wasteful number, since it uses less digits than its factorization.

2689873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its digits is 145152, while the sum is 43.

The square root of 2689873 is about 1640.0832295954. The cubic root of 2689873 is about 139.0733529299.

The spelling of 2689873 in words is "two million, six hundred eighty-nine thousand, eight hundred seventy-three".