4782819 has 4 divisors (see below), whose sum is σ = 6377096. Its totient is φ = 3188544.

The previous prime is 4782803. The next prime is 4782821. The reversal of 4782819 is 9182874.

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

It is not a de Polignac number, because 4782819 - 2⁴ = 4782803 is a prime.

It is a super-2 number, since 2×4782819² = 45750715173522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4782829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797134 + ... + 797139.

It is an arithmetic number, because the mean of its divisors is an integer number (1594274).

Almost surely, 2^4782819 is an apocalyptic number.

4782819 is a deficient number, since it is larger than the sum of its proper divisors (1594277).

4782819 is a wasteful number, since it uses less digits than its factorization.

4782819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594276.

The product of its digits is 32256, while the sum is 39.

The square root of 4782819 is about 2186.9657061783. The cubic root of 4782819 is about 168.4850283287.

The spelling of 4782819 in words is "four million, seven hundred eighty-two thousand, eight hundred nineteen".