2661286 has 8 divisors (see below), whose sum is σ = 3999240. Its totient is φ = 1328208.

The previous prime is 2661283. The next prime is 2661317. The reversal of 2661286 is 6821662.

2661286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (2661283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (499905).

2^2661286 is an apocalyptic number.

2661286 is a deficient number, since it is larger than the sum of its proper divisors (1337954).

2661286 is a wasteful number, since it uses less digits than its factorization.

2661286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438.

The product of its digits is 6912, while the sum is 31.

The square root of 2661286 is about 1631.3448439861. The cubic root of 2661286 is about 138.5789234214.

The spelling of 2661286 in words is "two million, six hundred sixty-one thousand, two hundred eighty-six".