2641886 has 8 divisors (see below), whose sum is σ = 4267704. Its totient is φ = 1219320.

The previous prime is 2641879. The next prime is 2641889. The reversal of 2641886 is 6881462.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641889) 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 3 ways as a sum of consecutive naturals, for example, 50780 + ... + 50831.

It is an arithmetic number, because the mean of its divisors is an integer number (533463).

2^2641886 is an apocalyptic number.

2641886 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2641886 is a deficient number, since it is larger than the sum of its proper divisors (1625818).

2641886 is a wasteful number, since it uses less digits than its factorization.

2641886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101626.

The product of its digits is 18432, while the sum is 35.

The square root of 2641886 is about 1625.3879536898. The cubic root of 2641886 is about 138.2413685292.

The spelling of 2641886 in words is "two million, six hundred forty-one thousand, eight hundred eighty-six".