4918081 has 12 divisors (see below), whose sum is σ = 5920020. Its totient is φ = 4068960.

The previous prime is 4918079. The next prime is 4918091. The reversal of 4918081 is 1808194.

It can be written as a sum of positive squares in 2 ways, for example, as 1731856 + 3186225 = 1316^2 + 1785^2 .

It is not a de Polignac number, because 4918081 - 2¹ = 4918079 is a prime.

It is a super-2 number, since 2×4918081² = 48375041445122, which contains 22 as substring.

It is a Duffinian number.

4918081 is a modest number, since divided by 18081 gives 49 as remainder.

4918081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4918061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310 + ... + 3151.

It is an arithmetic number, because the mean of its divisors is an integer number (493335).

Almost surely, 2^4918081 is an apocalyptic number.

It is an amenable number.

4918081 is a deficient number, since it is larger than the sum of its proper divisors (1001939).

4918081 is a wasteful number, since it uses less digits than its factorization.

4918081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504 (or 3497 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 4918081 is about 2217.6746830859. The cubic root of 4918081 is about 170.0585841917.

The spelling of 4918081 in words is "four million, nine hundred eighteen thousand, eighty-one".