5728842 has 48 divisors (see below), whose sum is σ = 14938560. Its totient is φ = 1550016.

The previous prime is 5728781. The next prime is 5728859. The reversal of 5728842 is 2488275.

It is a happy number.

5728842 is a `hidden beast` number, since 572 + 8 + 84 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5728797 and 5728806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1198 + ... + 3590.

It is an arithmetic number, because the mean of its divisors is an integer number (311220).

Almost surely, 2^5728842 is an apocalyptic number.

It is a pronic number, being equal to 2393×2394.

It is a practical number, because each smaller number is the sum of distinct divisors of 5728842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7469280).

5728842 is an abundant number, since it is smaller than the sum of its proper divisors (9209718).

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

5728842 is a wasteful number, since it uses less digits than its factorization.

5728842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2424 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 5728842 is about 2393.4999477752. The cubic root of 5728842 is about 178.9323839787.

The spelling of 5728842 in words is "five million, seven hundred twenty-eight thousand, eight hundred forty-two".