2693987 has 4 divisors (see below), whose sum is σ = 2759736. Its totient is φ = 2628240.

The previous prime is 2693969. The next prime is 2693989. The reversal of 2693987 is 7893962.

2693987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7893962 = 2 ⋅3946981.

It is a cyclic number.

It is not a de Polignac number, because 2693987 - 2⁶ = 2693923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2693989) 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, 32813 + ... + 32894.

It is an arithmetic number, because the mean of its divisors is an integer number (689934).

2^2693987 is an apocalyptic number.

2693987 is a deficient number, since it is larger than the sum of its proper divisors (65749).

2693987 is an equidigital number, since it uses as much as digits as its factorization.

2693987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65748.

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

The square root of 2693987 is about 1641.3369550461. The cubic root of 2693987 is about 139.1442182747.

The spelling of 2693987 in words is "two million, six hundred ninety-three thousand, nine hundred eighty-seven".