4829781 has 16 divisors (see below), whose sum is σ = 7395840. Its totient is φ = 2772720.

The previous prime is 4829779. The next prime is 4829789. The reversal of 4829781 is 1879284.

It is not a de Polignac number, because 4829781 - 2¹ = 4829779 is a prime.

It is a super-2 number, since 2×4829781² = 46653569015922, which contains 22 as substring.

4829781 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4829789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3225 + ... + 4478.

It is an arithmetic number, because the mean of its divisors is an integer number (462240).

Almost surely, 2^4829781 is an apocalyptic number.

It is an amenable number.

4829781 is a deficient number, since it is larger than the sum of its proper divisors (2566059).

4829781 is a wasteful number, since it uses less digits than its factorization.

4829781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736.

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

The square root of 4829781 is about 2197.6762727936. The cubic root of 4829781 is about 169.0346788771.

The spelling of 4829781 in words is "four million, eight hundred twenty-nine thousand, seven hundred eighty-one".