4987992 has 16 divisors (see below), whose sum is σ = 12470040. Its totient is φ = 1662656.

The previous prime is 4987979. The next prime is 4987999. The reversal of 4987992 is 2997894.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987999) 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, 103893 + ... + 103940.

Almost surely, 2^4987992 is an apocalyptic number.

It is an amenable number.

4987992 is an abundant number, since it is smaller than the sum of its proper divisors (7482048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4987992 is a wasteful number, since it uses less digits than its factorization.

4987992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207842 (or 207838 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 4987992 is about 2233.3812930174. The cubic root of 4987992 is about 170.8605956623.

The spelling of 4987992 in words is "four million, nine hundred eighty-seven thousand, nine hundred ninety-two".