4982781 has 8 divisors (see below), whose sum is σ = 6668320. Its totient is φ = 3309552.

The previous prime is 4982777. The next prime is 4982833. The reversal of 4982781 is 1872894.

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

It is not a de Polignac number, because 4982781 - 2² = 4982777 is a prime.

It is a super-2 number, since 2×4982781² = 49656212987922, which contains 22 as substring.

It is a Duffinian number.

4982781 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4982741) 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, 2086 + ... + 3783.

It is an arithmetic number, because the mean of its divisors is an integer number (833540).

Almost surely, 2^4982781 is an apocalyptic number.

It is an amenable number.

4982781 is a deficient number, since it is larger than the sum of its proper divisors (1685539).

4982781 is a wasteful number, since it uses less digits than its factorization.

4982781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155.

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

The square root of 4982781 is about 2232.2143714258. The cubic root of 4982781 is about 170.8010750645.

The spelling of 4982781 in words is "four million, nine hundred eighty-two thousand, seven hundred eighty-one".