4781839 has 8 divisors (see below), whose sum is σ = 4979520. Its totient is φ = 4586400.

The previous prime is 4781837. The next prime is 4781867. The reversal of 4781839 is 9381874.

4781839 = T₁₄₂ + T₁₄₃ + ... + T₃₁₅.

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

It is a cyclic number.

It is not a de Polignac number, because 4781839 - 2¹ = 4781837 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781831) 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 7 ways as a sum of consecutive naturals, for example, 4794 + ... + 5704.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^4781839 is an apocalyptic number.

4781839 is a deficient number, since it is larger than the sum of its proper divisors (197681).

4781839 is a wasteful number, since it uses less digits than its factorization.

4781839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its digits is 48384, while the sum is 40.

The square root of 4781839 is about 2186.7416399749. The cubic root of 4781839 is about 168.4735200106.

The spelling of 4781839 in words is "four million, seven hundred eighty-one thousand, eight hundred thirty-nine".