5431128 has 32 divisors (see below), whose sum is σ = 14169600. Its totient is φ = 1731488.

The previous prime is 5431123. The next prime is 5431141. The reversal of 5431128 is 8211345.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 5431098 and 5431107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4368 + ... + 5471.

It is an arithmetic number, because the mean of its divisors is an integer number (442800).

Almost surely, 2^5431128 is an apocalyptic number.

It is an amenable number.

5431128 is an abundant number, since it is smaller than the sum of its proper divisors (8738472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5431128 is a wasteful number, since it uses less digits than its factorization.

5431128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9871 (or 9867 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 5431128 is about 2330.4780625442. The cubic root of 5431128 is about 175.7775253710. Note that the first 3 decimals are identical.

The spelling of 5431128 in words is "five million, four hundred thirty-one thousand, one hundred twenty-eight".