4981782 has 48 divisors (see below), whose sum is σ = 11463120. Its totient is φ = 1442688.

The previous prime is 4981771. The next prime is 4981789. The reversal of 4981782 is 2871894.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 4981782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293038 + ... + 293054.

It is an arithmetic number, because the mean of its divisors is an integer number (238815).

Almost surely, 2^4981782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4981782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5731560).

4981782 is an abundant number, since it is smaller than the sum of its proper divisors (6481338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4981782 is a wasteful number, since it uses less digits than its factorization.

4981782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 35 counting only the distinct ones).

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

The square root of 4981782 is about 2231.9905913780. The cubic root of 4981782 is about 170.7896596401.

The spelling of 4981782 in words is "four million, nine hundred eighty-one thousand, seven hundred eighty-two".