4782281 has 16 divisors (see below), whose sum is σ = 5900160. Its totient is φ = 3784320.

The previous prime is 4782269. The next prime is 4782301. The reversal of 4782281 is 1822874.

It is a cyclic number.

It is not a de Polignac number, because 4782281 - 2¹⁴ = 4765897 is a prime.

It is a super-2 number, since 2×4782281² = 45740423125922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782241) 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, 5015 + ... + 5891.

It is an arithmetic number, because the mean of its divisors is an integer number (368760).

Almost surely, 2^4782281 is an apocalyptic number.

4782281 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4782281 is a deficient number, since it is larger than the sum of its proper divisors (1117879).

4782281 is a wasteful number, since it uses less digits than its factorization.

4782281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its digits is 7168, while the sum is 32.

The square root of 4782281 is about 2186.8427012476. The cubic root of 4782281 is about 168.4787106916.

It can be divided in two parts, 47 and 82281, that added together give a palindrome (82328).

The spelling of 4782281 in words is "four million, seven hundred eighty-two thousand, two hundred eighty-one".