4987939 has 8 divisors (see below), whose sum is σ = 5464368. Its totient is φ = 4515360.

The previous prime is 4987921. The next prime is 4987943. The reversal of 4987939 is 9397894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4987939 - 2⁵ = 4987907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4987892 and 4987901.

It is not an unprimeable number, because it can be changed into a prime (4987979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229 + ... + 3865.

It is an arithmetic number, because the mean of its divisors is an integer number (683046).

Almost surely, 2^4987939 is an apocalyptic number.

4987939 is a deficient number, since it is larger than the sum of its proper divisors (476429).

4987939 is a wasteful number, since it uses less digits than its factorization.

4987939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its digits is 489888, while the sum is 49.

The square root of 4987939 is about 2233.3694275690. The cubic root of 4987939 is about 170.8599904994.

The spelling of 4987939 in words is "four million, nine hundred eighty-seven thousand, nine hundred thirty-nine".