2088813 has 4 divisors (see below), whose sum is σ = 2785088. Its totient is φ = 1392540.

The previous prime is 2088787. The next prime is 2088817. The reversal of 2088813 is 3188802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2088813 - 2⁸ = 2088557 is a prime.

It is a D-number.

It is a Duffinian number.

2088813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2088817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348133 + ... + 348138.

It is an arithmetic number, because the mean of its divisors is an integer number (696272).

2^2088813 is an apocalyptic number.

It is an amenable number.

2088813 is a deficient number, since it is larger than the sum of its proper divisors (696275).

2088813 is an equidigital number, since it uses as much as digits as its factorization.

2088813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696274.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 2088813 is about 1445.2726386395. The cubic root of 2088813 is about 127.8301172405.

The spelling of 2088813 in words is "two million, eighty-eight thousand, eight hundred thirteen".