2487947 has 16 divisors (see below), whose sum is σ = 3148800. Its totient is φ = 1909440.

The previous prime is 2487943. The next prime is 2487949. The reversal of 2487947 is 7497842.

It is a cyclic number.

It is not a de Polignac number, because 2487947 - 2² = 2487943 is a prime.

It is a d-powerful number, because it can be written as 2 + 4⁶ + 8⁷ + 7³ + 9⁴ + 4⁹ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487943) 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 15 ways as a sum of consecutive naturals, for example, 5879 + ... + 6287.

It is an arithmetic number, because the mean of its divisors is an integer number (196800).

2^2487947 is an apocalyptic number.

2487947 is a deficient number, since it is larger than the sum of its proper divisors (660853).

2487947 is a wasteful number, since it uses less digits than its factorization.

2487947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its digits is 112896, while the sum is 41.

The square root of 2487947 is about 1577.3227317198. The cubic root of 2487947 is about 135.5024168630.

The spelling of 2487947 in words is "two million, four hundred eighty-seven thousand, nine hundred forty-seven".