2486891 has 16 divisors (see below), whose sum is σ = 2912640. Its totient is φ = 2099520.

The previous prime is 2486873. The next prime is 2486951. The reversal of 2486891 is 1986842.

It is a cyclic number.

It is not a de Polignac number, because 2486891 - 2¹⁰ = 2485867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2486801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15176 + ... + 15338.

It is an arithmetic number, because the mean of its divisors is an integer number (182040).

2^2486891 is an apocalyptic number.

2486891 is a deficient number, since it is larger than the sum of its proper divisors (425749).

2486891 is a wasteful number, since it uses less digits than its factorization.

2486891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its digits is 27648, while the sum is 38.

The square root of 2486891 is about 1576.9879517612. The cubic root of 2486891 is about 135.4832429816.

Adding to 2486891 its sum of digits (38), we get a square (2486929 = 1577²).

The spelling of 2486891 in words is "two million, four hundred eighty-six thousand, eight hundred ninety-one".