2044987 has 4 divisors (see below), whose sum is σ = 2337136. Its totient is φ = 1752840.

The previous prime is 2044979. The next prime is 2045009. The reversal of 2044987 is 7894402.

It is a happy number.

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 2044987 - 2³ = 2044979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044937) 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 3 ways as a sum of consecutive naturals, for example, 146064 + ... + 146077.

It is an arithmetic number, because the mean of its divisors is an integer number (584284).

2^2044987 is an apocalyptic number.

2044987 is a deficient number, since it is larger than the sum of its proper divisors (292149).

2044987 is an equidigital number, since it uses as much as digits as its factorization.

2044987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292148.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2044987 is about 1430.0304192569. The cubic root of 2044987 is about 126.9297770379.

The spelling of 2044987 in words is "two million, forty-four thousand, nine hundred eighty-seven".