5478891 has 8 divisors (see below), whose sum is σ = 7969344. Its totient is φ = 3320520.

The previous prime is 5478881. The next prime is 5478911. The reversal of 5478891 is 1988745.

5478891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5478891 - 2⁶ = 5478827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5478841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82981 + ... + 83046.

It is an arithmetic number, because the mean of its divisors is an integer number (996168).

Almost surely, 2^5478891 is an apocalyptic number.

5478891 is a deficient number, since it is larger than the sum of its proper divisors (2490453).

5478891 is a wasteful number, since it uses less digits than its factorization.

5478891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166041.

The product of its digits is 80640, while the sum is 42.

The square root of 5478891 is about 2340.7030994981. The cubic root of 5478891 is about 176.2913026286.

The spelling of 5478891 in words is "five million, four hundred seventy-eight thousand, eight hundred ninety-one".