2893691 has 4 divisors (see below), whose sum is σ = 2930400. Its totient is φ = 2856984.

The previous prime is 2893679. The next prime is 2893703. The reversal of 2893691 is 1963982.

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

It is an interprime number because it is at equal distance from previous prime (2893679) and next prime (2893703).

It is a cyclic number.

It is not a de Polignac number, because 2893691 - 2¹⁰ = 2892667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2893651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18236 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (732600).

2^2893691 is an apocalyptic number.

2893691 is a deficient number, since it is larger than the sum of its proper divisors (36709).

2893691 is an equidigital number, since it uses as much as digits as its factorization.

2893691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36708.

The product of its digits is 23328, while the sum is 38.

The square root of 2893691 is about 1701.0852418383. The cubic root of 2893691 is about 142.5008269163.

The spelling of 2893691 in words is "two million, eight hundred ninety-three thousand, six hundred ninety-one".