4879947 has 4 divisors (see below), whose sum is σ = 6506600. Its totient is φ = 3253296.

The previous prime is 4879937. The next prime is 4879951. The reversal of 4879947 is 7499784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4879947 - 2⁶ = 4879883 is a prime.

It is a super-3 number, since 3×4879947³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

4879947 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4879896 and 4879905.

It is not an unprimeable number, because it can be changed into a prime (4879937) 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, 813322 + ... + 813327.

It is an arithmetic number, because the mean of its divisors is an integer number (1626650).

Almost surely, 2^4879947 is an apocalyptic number.

4879947 is a deficient number, since it is larger than the sum of its proper divisors (1626653).

4879947 is a wasteful number, since it uses less digits than its factorization.

4879947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626652.

The product of its digits is 508032, while the sum is 48.

The square root of 4879947 is about 2209.0602074185. The cubic root of 4879947 is about 169.6179077114.

The spelling of 4879947 in words is "four million, eight hundred seventy-nine thousand, nine hundred forty-seven".