4856981 has 2 divisors, whose sum is σ = 4856982. Its totient is φ = 4856980.

The previous prime is 4856963. The next prime is 4857023. The reversal of 4856981 is 1896584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4202500 + 654481 = 2050^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 4856981 - 2¹⁰ = 4855957 is a prime.

It is a super-2 number, since 2×4856981² = 47180528868722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4856921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428490 + 2428491.

It is an arithmetic number, because the mean of its divisors is an integer number (2428491).

Almost surely, 2^4856981 is an apocalyptic number.

It is an amenable number.

4856981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4856981 is an equidigital number, since it uses as much as digits as its factorization.

4856981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 4856981 is about 2203.8559390305. The cubic root of 4856981 is about 169.3514040104.

The spelling of 4856981 in words is "four million, eight hundred fifty-six thousand, nine hundred eighty-one".