2689087 has 4 divisors (see below), whose sum is σ = 2702800. Its totient is φ = 2675376.

The previous prime is 2689079. The next prime is 2689103. The reversal of 2689087 is 7809862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7809862 = 2 ⋅3904931.

It is a cyclic number.

It is not a de Polignac number, because 2689087 - 2³ = 2689079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6558 + ... + 6955.

It is an arithmetic number, because the mean of its divisors is an integer number (675700).

2^2689087 is an apocalyptic number.

2689087 is a deficient number, since it is larger than the sum of its proper divisors (13713).

2689087 is a wasteful number, since it uses less digits than its factorization.

2689087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13712.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2689087 is about 1639.8435901024. The cubic root of 2689087 is about 139.0598055363.

The spelling of 2689087 in words is "two million, six hundred eighty-nine thousand, eighty-seven".