30028030 has 16 divisors (see below), whose sum is σ = 54813024. Its totient is φ = 11841760.

The previous prime is 30028027. The next prime is 30028091. The reversal of 30028030 is 3082003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30027995 and 30028013.

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, 20437 + ... + 21856.

It is an arithmetic number, because the mean of its divisors is an integer number (3425814).

Almost surely, 2^30028030 is an apocalyptic number.

30028030 is a deficient number, since it is larger than the sum of its proper divisors (24784994).

30028030 is a wasteful number, since it uses less digits than its factorization.

30028030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42371.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30028030 is about 5479.7837548575. The cubic root of 30028030 is about 310.8199935018.

The spelling of 30028030 in words is "thirty million, twenty-eight thousand, thirty".