2658887 has 12 divisors (see below), whose sum is σ = 3374856. Its totient is φ = 2071440.

The previous prime is 2658883. The next prime is 2658889. The reversal of 2658887 is 7888562.

It is not a de Polignac number, because 2658887 - 2² = 2658883 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 (2658881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1928 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (281238).

2^2658887 is an apocalyptic number.

2658887 is a deficient number, since it is larger than the sum of its proper divisors (715969).

2658887 is a wasteful number, since it uses less digits than its factorization.

2658887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958 (or 4951 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 2658887 is about 1630.6093952875. The cubic root of 2658887 is about 138.5372705284.

The spelling of 2658887 in words is "two million, six hundred fifty-eight thousand, eight hundred eighty-seven".