30536028 has 60 divisors (see below), whose sum is σ = 80905440. Its totient is φ = 10041408.

The previous prime is 30536027. The next prime is 30536039. The reversal of 30536028 is 82063503.

30536028 is a `hidden beast` number, since 3 + 0 + 53 + 602 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30535992 and 30536010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30536027) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25000 + ... + 26192.

It is an arithmetic number, because the mean of its divisors is an integer number (1348424).

Almost surely, 2^30536028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30536028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40452720).

30536028 is an abundant number, since it is smaller than the sum of its proper divisors (50369412).

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

30536028 is a wasteful number, since it uses less digits than its factorization.

30536028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30536028 is about 5525.9413677671. The cubic root of 30536028 is about 312.5629628866.

The spelling of 30536028 in words is "thirty million, five hundred thirty-six thousand, twenty-eight".