4878081 has 24 divisors (see below), whose sum is σ = 7663656. Its totient is φ = 2972160.

The previous prime is 4878073. The next prime is 4878089. The reversal of 4878081 is 1808784.

It is an interprime number because it is at equal distance from previous prime (4878073) and next prime (4878089).

It can be written as a sum of positive squares in 4 ways, for example, as 1418481 + 3459600 = 1191^2 + 1860^2 .

It is not a de Polignac number, because 4878081 - 2³ = 4878073 is a prime.

It is a super-2 number, since 2×4878081² = 47591348485122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4878089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20121 + ... + 20361.

It is an arithmetic number, because the mean of its divisors is an integer number (319319).

Almost surely, 2^4878081 is an apocalyptic number.

It is an amenable number.

4878081 is a deficient number, since it is larger than the sum of its proper divisors (2785575).

4878081 is a wasteful number, since it uses less digits than its factorization.

4878081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 4878081 is about 2208.6378154872. The cubic root of 4878081 is about 169.5962853887.

The spelling of 4878081 in words is "four million, eight hundred seventy-eight thousand, eighty-one".