5478681 has 16 divisors (see below), whose sum is σ = 8003520. Its totient is φ = 3312960.

The previous prime is 5478677. The next prime is 5478703. The reversal of 5478681 is 1868745.

It is not a de Polignac number, because 5478681 - 2² = 5478677 is a prime.

It is a super-2 number, since 2×5478681² = 60031890999522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (500220).

Almost surely, 2^5478681 is an apocalyptic number.

It is an amenable number.

5478681 is a deficient number, since it is larger than the sum of its proper divisors (2524839).

5478681 is a wasteful number, since it uses less digits than its factorization.

5478681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456.

The product of its digits is 53760, while the sum is 39.

The square root of 5478681 is about 2340.6582407519. The cubic root of 5478681 is about 176.2890502478.

The spelling of 5478681 in words is "five million, four hundred seventy-eight thousand, six hundred eighty-one".