4987983 has 48 divisors (see below), whose sum is σ = 9056768. Its totient is φ = 2376000.

The previous prime is 4987979. The next prime is 4987999. The reversal of 4987983 is 3897894.

It is not a de Polignac number, because 4987983 - 2² = 4987979 is a prime.

4987983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32958 + ... + 33108.

Almost surely, 2^4987983 is an apocalyptic number.

4987983 is a deficient number, since it is larger than the sum of its proper divisors (4068785).

4987983 is a wasteful number, since it uses less digits than its factorization.

4987983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 185 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 4987983 is about 2233.3792781344. The cubic root of 4987983 is about 170.8604928991.

The spelling of 4987983 in words is "four million, nine hundred eighty-seven thousand, nine hundred eighty-three".