4988381 has 2 divisors, whose sum is σ = 4988382. Its totient is φ = 4988380.

The previous prime is 4988369. The next prime is 4988407. The reversal of 4988381 is 1838894.

4988381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 2149156 = 1685^2 + 1466^2 .

It is a cyclic number.

It is not a de Polignac number, because 4988381 - 2¹⁸ = 4726237 is a prime.

It is a super-2 number, since 2×4988381² = 49767890002322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4988311) 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 as a sum of consecutive naturals, namely, 2494190 + 2494191.

It is an arithmetic number, because the mean of its divisors is an integer number (2494191).

Almost surely, 2^4988381 is an apocalyptic number.

It is an amenable number.

4988381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4988381 is an equidigital number, since it uses as much as digits as its factorization.

4988381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 41.

The square root of 4988381 is about 2233.4683790016. The cubic root of 4988381 is about 170.8650371987.

The spelling of 4988381 in words is "four million, nine hundred eighty-eight thousand, three hundred eighty-one".