5427891 has 24 divisors (see below), whose sum is σ = 9295104. Its totient is φ = 3100680.

The previous prime is 5427887. The next prime is 5427893. The reversal of 5427891 is 1987245.

5427891 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5427891 - 2² = 5427887 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5427893) 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, 106 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (387296).

Almost surely, 2^5427891 is an apocalyptic number.

5427891 is a deficient number, since it is larger than the sum of its proper divisors (3867213).

5427891 is an equidigital number, since it uses as much as digits as its factorization.

5427891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213 (or 3201 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 5427891 is about 2329.7834663333. The cubic root of 5427891 is about 175.7425967810.

The spelling of 5427891 in words is "five million, four hundred twenty-seven thousand, eight hundred ninety-one".