4786987 has 2 divisors, whose sum is σ = 4786988. Its totient is φ = 4786986.

The previous prime is 4786981. The next prime is 4787039. The reversal of 4786987 is 7896874.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4786987 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 7² + 8 + 6⁴ + 9⁷ + 8 + 7⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 4786987.

It is not a weakly prime, because it can be changed into another prime (4786981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393493 + 2393494.

It is an arithmetic number, because the mean of its divisors is an integer number (2393494).

Almost surely, 2^4786987 is an apocalyptic number.

4786987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4786987 is an equidigital number, since it uses as much as digits as its factorization.

4786987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The square root of 4786987 is about 2187.9184171262. The cubic root of 4786987 is about 168.5339563567.

The spelling of 4786987 in words is "four million, seven hundred eighty-six thousand, nine hundred eighty-seven".