2685993 has 8 divisors (see below), whose sum is σ = 3590400. Its totient is φ = 1786128.

The previous prime is 2685989. The next prime is 2686007. The reversal of 2685993 is 3995862.

2685993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2685993 - 2² = 2685989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2685913) 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 7 ways as a sum of consecutive naturals, for example, 648 + ... + 2406.

It is an arithmetic number, because the mean of its divisors is an integer number (448800).

2^2685993 is an apocalyptic number.

It is an amenable number.

2685993 is a deficient number, since it is larger than the sum of its proper divisors (904407).

2685993 is a wasteful number, since it uses less digits than its factorization.

2685993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its digits is 116640, while the sum is 42.

The square root of 2685993 is about 1638.8999359326. The cubic root of 2685993 is about 139.0064520925.

The spelling of 2685993 in words is "two million, six hundred eighty-five thousand, nine hundred ninety-three".