2685387 has 8 divisors (see below), whose sum is σ = 3594304. Its totient is φ = 1783368.

The previous prime is 2685383. The next prime is 2685401. The reversal of 2685387 is 7835862.

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

It is not a de Polignac number, because 2685387 - 2² = 2685383 is a prime.

It is a super-2 number, since 2×2685387² = 14422606679538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2685383) 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 7 ways as a sum of consecutive naturals, for example, 733 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (449288).

2^2685387 is an apocalyptic number.

2685387 is a deficient number, since it is larger than the sum of its proper divisors (908917).

2685387 is a wasteful number, since it uses less digits than its factorization.

2685387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449.

The product of its digits is 80640, while the sum is 39.

The square root of 2685387 is about 1638.7150453938. The cubic root of 2685387 is about 138.9959973314.

The spelling of 2685387 in words is "two million, six hundred eighty-five thousand, three hundred eighty-seven".