2007856 has 20 divisors (see below), whose sum is σ = 3950392. Its totient is φ = 988416.

The previous prime is 2007851. The next prime is 2007869. The reversal of 2007856 is 6587002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136 + ... + 2008.

2^2007856 is an apocalyptic number.

It is an amenable number.

2007856 is a deficient number, since it is larger than the sum of its proper divisors (1942536).

2007856 is a wasteful number, since it uses less digits than its factorization.

2007856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2007856 is about 1416.9883556332. The cubic root of 2007856 is about 126.1568551274.

The spelling of 2007856 in words is "two million, seven thousand, eight hundred fifty-six".