5728340 has 24 divisors (see below), whose sum is σ = 12356232. Its totient is φ = 2229120.

The previous prime is 5728319. The next prime is 5728363. The reversal of 5728340 is 438275.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 835396 + 4892944 = 914^2 + 2212^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131 + ... + 4610.

It is an arithmetic number, because the mean of its divisors is an integer number (514843).

Almost surely, 2^5728340 is an apocalyptic number.

It is an amenable number.

5728340 is an abundant number, since it is smaller than the sum of its proper divisors (6627892).

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

5728340 is a wasteful number, since it uses less digits than its factorization.

5728340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787 (or 7785 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 5728340 is about 2393.3950781265. The cubic root of 5728340 is about 178.9271574029.

The spelling of 5728340 in words is "five million, seven hundred twenty-eight thousand, three hundred forty".