2849987 has 10 divisors (see below), whose sum is σ = 3327588. Its totient is φ = 2440788.

The previous prime is 2849983. The next prime is 2849989. The reversal of 2849987 is 7899482.

It is not a de Polignac number, because 2849987 - 2² = 2849983 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2849983) 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 9 ways as a sum of consecutive naturals, for example, 1808 + ... + 2994.

2^2849987 is an apocalyptic number.

2849987 is a deficient number, since it is larger than the sum of its proper divisors (477601).

2849987 is an frugal number, since it uses more digits than its factorization.

2849987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1194 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 2849987 is about 1688.1904513413. The cubic root of 2849987 is about 141.7797783295.

The spelling of 2849987 in words is "two million, eight hundred forty-nine thousand, nine hundred eighty-seven".