4988987 has 2 divisors, whose sum is σ = 4988988. Its totient is φ = 4988986.

The previous prime is 4988983. The next prime is 4988993. The reversal of 4988987 is 7898894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4988987 - 2² = 4988983 is a prime.

It is not a weakly prime, because it can be changed into another prime (4988983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494493 + 2494494.

It is an arithmetic number, because the mean of its divisors is an integer number (2494494).

Almost surely, 2^4988987 is an apocalyptic number.

4988987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4988987 is an equidigital number, since it uses as much as digits as its factorization.

4988987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 53.

The square root of 4988987 is about 2233.6040383201. The cubic root of 4988987 is about 170.8719559445.

The spelling of 4988987 in words is "four million, nine hundred eighty-eight thousand, nine hundred eighty-seven".