30502828 has 24 divisors (see below), whose sum is σ = 59497200. Its totient is φ = 13598208.

The previous prime is 30502817. The next prime is 30502861. The reversal of 30502828 is 82820503.

It is a junction number, because it is equal to n+sod(n) for n = 30502796 and 30502805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10513 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (2479050).

Almost surely, 2^30502828 is an apocalyptic number.

30502828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30502828 is a deficient number, since it is larger than the sum of its proper divisors (28994372).

30502828 is a wasteful number, since it uses less digits than its factorization.

30502828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23649 (or 23647 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 30502828 is about 5522.9365377487. The cubic root of 30502828 is about 312.4496447930.

The spelling of 30502828 in words is "thirty million, five hundred two thousand, eight hundred twenty-eight".