30027828 has 24 divisors (see below), whose sum is σ = 73753120. Its totient is φ = 9482400.

The previous prime is 30027827. The next prime is 30027853. The reversal of 30027828 is 82872003.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30027795 and 30027804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30027827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65623 + ... + 66078.

Almost surely, 2^30027828 is an apocalyptic number.

30027828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30027828 is an abundant number, since it is smaller than the sum of its proper divisors (43725292).

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

30027828 is a wasteful number, since it uses less digits than its factorization.

30027828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131727 (or 131725 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 30027828 is about 5479.7653234422. The cubic root of 30027828 is about 310.8192965332.

The spelling of 30027828 in words is "thirty million, twenty-seven thousand, eight hundred twenty-eight".