4718987 has 12 divisors (see below), whose sum is σ = 5841360. Its totient is φ = 3732768.

The previous prime is 4718983. The next prime is 4718999. The reversal of 4718987 is 7898174.

It is not a de Polignac number, because 4718987 - 2² = 4718983 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4718981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 812 + ... + 3177.

It is an arithmetic number, because the mean of its divisors is an integer number (486780).

Almost surely, 2^4718987 is an apocalyptic number.

4718987 is a deficient number, since it is larger than the sum of its proper divisors (1122373).

4718987 is a wasteful number, since it uses less digits than its factorization.

4718987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022 (or 4009 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 4718987 is about 2172.3229502079. The cubic root of 4718987 is about 167.7321293327.

The spelling of 4718987 in words is "four million, seven hundred eighteen thousand, nine hundred eighty-seven".