4947783 has 8 divisors (see below), whose sum is σ = 6883968. Its totient is φ = 3155064.

The previous prime is 4947779. The next prime is 4947791. The reversal of 4947783 is 3877494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4947783 - 2² = 4947779 is a prime.

4947783 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35785 + ... + 35922.

It is an arithmetic number, because the mean of its divisors is an integer number (860496).

Almost surely, 2^4947783 is an apocalyptic number.

4947783 is a deficient number, since it is larger than the sum of its proper divisors (1936185).

4947783 is a wasteful number, since it uses less digits than its factorization.

4947783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71733.

The product of its digits is 169344, while the sum is 42.

The square root of 4947783 is about 2224.3612566308. The cubic root of 4947783 is about 170.4002449356.

The spelling of 4947783 in words is "four million, nine hundred forty-seven thousand, seven hundred eighty-three".