5428730 has 8 divisors (see below), whose sum is σ = 9771732. Its totient is φ = 2171488.

The previous prime is 5428727. The next prime is 5428739. The reversal of 5428730 is 378245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5424241 + 4489 = 2329^2 + 67^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5428730² = 58942218825800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5428693 and 5428702.

It is not an unprimeable number, because it can be changed into a prime (5428739) 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, 271427 + ... + 271446.

Almost surely, 2^5428730 is an apocalyptic number.

5428730 is a deficient number, since it is larger than the sum of its proper divisors (4343002).

5428730 is a wasteful number, since it uses less digits than its factorization.

5428730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542880.

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

The square root of 5428730 is about 2329.9635190277. The cubic root of 5428730 is about 175.7516512764.

The spelling of 5428730 in words is "five million, four hundred twenty-eight thousand, seven hundred thirty".