28033030 has 8 divisors (see below), whose sum is σ = 50459472. Its totient is φ = 11213208.

The previous prime is 28033007. The next prime is 28033043. The reversal of 28033030 is 3033082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28032989 and 28033007.

It is a congruent number.

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, 1401642 + ... + 1401661.

It is an arithmetic number, because the mean of its divisors is an integer number (6307434).

Almost surely, 2^28033030 is an apocalyptic number.

28033030 is a deficient number, since it is larger than the sum of its proper divisors (22426442).

28033030 is a wasteful number, since it uses less digits than its factorization.

28033030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803310.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 28033030 is about 5294.6227438789. The cubic root of 28033030 is about 303.7782532837.

The spelling of 28033030 in words is "twenty-eight million, thirty-three thousand, thirty".