2944987 has 4 divisors (see below), whose sum is σ = 2960440. Its totient is φ = 2929536.

The previous prime is 2944967. The next prime is 2944999. The reversal of 2944987 is 7894492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2944987 - 2¹⁹ = 2420699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2944937) 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, 7437 + ... + 7822.

It is an arithmetic number, because the mean of its divisors is an integer number (740110).

2^2944987 is an apocalyptic number.

2944987 is a deficient number, since it is larger than the sum of its proper divisors (15453).

2944987 is a wasteful number, since it uses less digits than its factorization.

2944987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15452.

The product of its digits is 145152, while the sum is 43.

The square root of 2944987 is about 1716.0964425113. The cubic root of 2944987 is about 143.3379296645.

The spelling of 2944987 in words is "two million, nine hundred forty-four thousand, nine hundred eighty-seven".