4947992 has 32 divisors (see below), whose sum is σ = 10692000. Its totient is φ = 2102784.

The previous prime is 4947991. The next prime is 4948039. The reversal of 4947992 is 2997494.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8048 + ... + 8640.

It is an arithmetic number, because the mean of its divisors is an integer number (334125).

Almost surely, 2^4947992 is an apocalyptic number.

It is an amenable number.

4947992 is an abundant number, since it is smaller than the sum of its proper divisors (5744008).

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

4947992 is a wasteful number, since it uses less digits than its factorization.

4947992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 751 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 4947992 is about 2224.4082359135. The cubic root of 4947992 is about 170.4026442021.

The spelling of 4947992 in words is "four million, nine hundred forty-seven thousand, nine hundred ninety-two".