30000828 has 48 divisors (see below), whose sum is σ = 82244736. Its totient is φ = 8391360.

The previous prime is 30000827. The next prime is 30000853. The reversal of 30000828 is 82800003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026 + ... + 10457.

It is an arithmetic number, because the mean of its divisors is an integer number (1713432).

Almost surely, 2^30000828 is an apocalyptic number.

It is an amenable number.

30000828 is an abundant number, since it is smaller than the sum of its proper divisors (52243908).

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

30000828 is a wasteful number, since it uses less digits than its factorization.

30000828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17514 (or 17512 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 30000828 is about 5477.3011602431. The cubic root of 30000828 is about 310.7261092230.

The spelling of 30000828 in words is "thirty million, eight hundred twenty-eight", and thus it is an aban number.