4739987 has 16 divisors (see below), whose sum is σ = 5763840. Its totient is φ = 3807648.

The previous prime is 4739947. The next prime is 4739989. The reversal of 4739987 is 7899374.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4739987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4739989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20768 + ... + 20994.

It is an arithmetic number, because the mean of its divisors is an integer number (360240).

Almost surely, 2^4739987 is an apocalyptic number.

4739987 is a deficient number, since it is larger than the sum of its proper divisors (1023853).

4739987 is a wasteful number, since it uses less digits than its factorization.

4739987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its digits is 381024, while the sum is 47.

The square root of 4739987 is about 2177.1511201568. The cubic root of 4739987 is about 167.9805698428.

The spelling of 4739987 in words is "four million, seven hundred thirty-nine thousand, nine hundred eighty-seven".