4798987 has 2 divisors, whose sum is σ = 4798988. Its totient is φ = 4798986.

The previous prime is 4798967. The next prime is 4798993. The reversal of 4798987 is 7898974.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4798987 is a prime.

It is an Ulam number.

4798987 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4798907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2399493 + 2399494.

It is an arithmetic number, because the mean of its divisors is an integer number (2399494).

Almost surely, 2^4798987 is an apocalyptic number.

4798987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4798987 is an equidigital number, since it uses as much as digits as its factorization.

4798987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 52.

The square root of 4798987 is about 2190.6590332592. The cubic root of 4798987 is about 168.6746655964.

The spelling of 4798987 in words is "four million, seven hundred ninety-eight thousand, nine hundred eighty-seven".