4998987 has 12 divisors (see below), whose sum is σ = 8252400. Its totient is φ = 2856528.

The previous prime is 4998979. The next prime is 4998989. The reversal of 4998987 is 7898994.

It is not a de Polignac number, because 4998987 - 2³ = 4998979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4998989) 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 11 ways as a sum of consecutive naturals, for example, 39612 + ... + 39737.

It is an arithmetic number, because the mean of its divisors is an integer number (687700).

Almost surely, 2^4998987 is an apocalyptic number.

4998987 is a deficient number, since it is larger than the sum of its proper divisors (3253413).

4998987 is a wasteful number, since it uses less digits than its factorization.

4998987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79362 (or 79359 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 4998987 is about 2235.8414523396. The cubic root of 4998987 is about 170.9860458501.

It can be divided in two parts, 4 and 998987, that added together give a triangular number (998991 = T₁₄₁₃).

The spelling of 4998987 in words is "four million, nine hundred ninety-eight thousand, nine hundred eighty-seven".