2933987 has 4 divisors (see below), whose sum is σ = 3353136. Its totient is φ = 2514840.

The previous prime is 2933971. The next prime is 2933993. The reversal of 2933987 is 7893392.

2933987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2933987 - 2⁴ = 2933971 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 9² + 3⁸ + 3⁸ + 9² + 8 + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2933927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209564 + ... + 209577.

It is an arithmetic number, because the mean of its divisors is an integer number (838284).

2^2933987 is an apocalyptic number.

2933987 is a deficient number, since it is larger than the sum of its proper divisors (419149).

2933987 is an equidigital number, since it uses as much as digits as its factorization.

2933987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419148.

The product of its digits is 81648, while the sum is 41.

The square root of 2933987 is about 1712.8884960791. Note that the first 3 decimals coincide. The cubic root of 2933987 is about 143.1592436004.

The spelling of 2933987 in words is "two million, nine hundred thirty-three thousand, nine hundred eighty-seven".