2726866 has 4 divisors (see below), whose sum is σ = 4090302. Its totient is φ = 1363432.

The previous prime is 2726839. The next prime is 2726873. The reversal of 2726866 is 6686272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2627641 + 99225 = 1621^2 + 315^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681715 + ... + 681718.

2^2726866 is an apocalyptic number.

2726866 is a deficient number, since it is larger than the sum of its proper divisors (1363436).

2726866 is a wasteful number, since it uses less digits than its factorization.

2726866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363435.

The product of its digits is 48384, while the sum is 37.

The square root of 2726866 is about 1651.3225003009. The cubic root of 2726866 is about 139.7079968238.

The spelling of 2726866 in words is "two million, seven hundred twenty-six thousand, eight hundred sixty-six".