2793986 has 16 divisors (see below), whose sum is σ = 4625208. Its totient is φ = 1257600.

The previous prime is 2793949. The next prime is 2793991. The reversal of 2793986 is 6893972.

It can be written as a sum of positive squares in 4 ways, for example, as 1651225 + 1142761 = 1285^2 + 1069^2 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 2376.

2^2793986 is an apocalyptic number.

2793986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2793986 is a deficient number, since it is larger than the sum of its proper divisors (1831222).

2793986 is a wasteful number, since it uses less digits than its factorization.

2793986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677.

The product of its digits is 163296, while the sum is 44.

The square root of 2793986 is about 1671.5220608775. The cubic root of 2793986 is about 140.8449917016.

The spelling of 2793986 in words is "two million, seven hundred ninety-three thousand, nine hundred eighty-six".