5731428 has 12 divisors (see below), whose sum is σ = 13373360. Its totient is φ = 1910472.

The previous prime is 5731423. The next prime is 5731433. The reversal of 5731428 is 8241375.

5731428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5731423) and next prime (5731433).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 5731395 and 5731404.

It is not an unprimeable number, because it can be changed into a prime (5731421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238798 + ... + 238821.

Almost surely, 2^5731428 is an apocalyptic number.

It is an amenable number.

5731428 is an abundant number, since it is smaller than the sum of its proper divisors (7641932).

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

5731428 is a wasteful number, since it uses less digits than its factorization.

5731428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477626 (or 477624 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 5731428 is about 2394.0400999148. The cubic root of 5731428 is about 178.9593032955.

The spelling of 5731428 in words is "five million, seven hundred thirty-one thousand, four hundred twenty-eight".