4947999 has 16 divisors (see below), whose sum is σ = 7937280. Its totient is φ = 2678400.

The previous prime is 4947991. The next prime is 4948039. The reversal of 4947999 is 9997494.

It is not a de Polignac number, because 4947999 - 2³ = 4947991 is a prime.

4947999 is a lucky number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5802 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (496080).

Almost surely, 2^4947999 is an apocalyptic number.

4947999 is a deficient number, since it is larger than the sum of its proper divisors (2989281).

4947999 is a wasteful number, since it uses less digits than its factorization.

4947999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430.

The product of its digits is 734832, while the sum is 51.

The square root of 4947999 is about 2224.4098093652. The cubic root of 4947999 is about 170.4027245591.

The spelling of 4947999 in words is "four million, nine hundred forty-seven thousand, nine hundred ninety-nine".