30629828 has 12 divisors (see below), whose sum is σ = 53663232. Its totient is φ = 15297480.

The previous prime is 30629789. The next prime is 30629873. The reversal of 30629828 is 82892603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30629791 and 30629800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (4471936).

Almost surely, 2^30629828 is an apocalyptic number.

It is an amenable number.

30629828 is a deficient number, since it is larger than the sum of its proper divisors (23033404).

30629828 is a wasteful number, since it uses less digits than its factorization.

30629828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8722 (or 8720 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 30629828 is about 5534.4221017194. The cubic root of 30629828 is about 312.8826774343.

The spelling of 30629828 in words is "thirty million, six hundred twenty-nine thousand, eight hundred twenty-eight".