2993887 has 32 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 2280960.

The previous prime is 2993869. The next prime is 2993891. The reversal of 2993887 is 7883992.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2993887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2993827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96562 + ... + 96592.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^2993887 is an apocalyptic number.

2993887 is a deficient number, since it is larger than the sum of its proper divisors (876833).

2993887 is a wasteful number, since it uses less digits than its factorization.

2993887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103.

The product of its digits is 217728, while the sum is 46.

The square root of 2993887 is about 1730.2852366012. The cubic root of 2993887 is about 144.1269296224.

It can be divided in two parts, 299 and 3887, that added together give a triangular number (4186 = T₉₁).

The spelling of 2993887 in words is "two million, nine hundred ninety-three thousand, eight hundred eighty-seven".