4715987 has 4 divisors (see below), whose sum is σ = 4993416. Its totient is φ = 4438560.

The previous prime is 4715969. The next prime is 4716001. The reversal of 4715987 is 7895174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4715987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4715947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138689 + ... + 138722.

It is an arithmetic number, because the mean of its divisors is an integer number (1248354).

Almost surely, 2^4715987 is an apocalyptic number.

4715987 is a deficient number, since it is larger than the sum of its proper divisors (277429).

4715987 is a wasteful number, since it uses less digits than its factorization.

4715987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277428.

The product of its digits is 70560, while the sum is 41.

The square root of 4715987 is about 2171.6323353643. The cubic root of 4715987 is about 167.6965777013.

The spelling of 4715987 in words is "four million, seven hundred fifteen thousand, nine hundred eighty-seven".