4618987 has 2 divisors, whose sum is σ = 4618988. Its totient is φ = 4618986.

The previous prime is 4618979. The next prime is 4618993. The reversal of 4618987 is 7898164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4618987 - 2³ = 4618979 is a prime.

4618987 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4618967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2309493 + 2309494.

It is an arithmetic number, because the mean of its divisors is an integer number (2309494).

Almost surely, 2^4618987 is an apocalyptic number.

4618987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4618987 is an equidigital number, since it uses as much as digits as its factorization.

4618987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 4618987 is about 2149.1828679756. The cubic root of 4618987 is about 166.5388571245.

The spelling of 4618987 in words is "four million, six hundred eighteen thousand, nine hundred eighty-seven".