5428 has 12 divisors (see below), whose sum is σ = 10080.
Its totient is φ = 2552.
The previous prime is 5419. The next prime is 5431. The reversal of 5428 is 8245.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
5428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63 + ... + 121.
It is an arithmetic number, because the mean of its divisors is an integer number (840).
25428 is an apocalyptic number.
It is an amenable number.
5428 is a deficient number, since it is larger than the sum of its proper divisors (4652).
5428 is a wasteful number, since it uses less digits than its factorization.
5428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86 (or 84 counting only the distinct ones).
The product of its digits is 320, while the sum is 19.
The square root of 5428 is about 73.6749618256.
The cubic root of 5428 is about 17.5743773163.
The spelling of 5428 in words is "five thousand, four hundred twenty-eight".