2727986 has 4 divisors (see below), whose sum is σ = 4091982. Its totient is φ = 1363992.

The previous prime is 2727979. The next prime is 2727997. The reversal of 2727986 is 6897272.

2727986 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

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., 2157961 + 570025 = 1469^2 + 755^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681995 + ... + 681998.

2^2727986 is an apocalyptic number.

2727986 is a deficient number, since it is larger than the sum of its proper divisors (1363996).

2727986 is a wasteful number, since it uses less digits than its factorization.

2727986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363995.

The product of its digits is 84672, while the sum is 41.

The square root of 2727986 is about 1651.6615876141. The cubic root of 2727986 is about 139.7271215307.

The spelling of 2727986 in words is "two million, seven hundred twenty-seven thousand, nine hundred eighty-six".