28916030 has 64 divisors (see below), whose sum is σ = 62209728. Its totient is φ = 9538560.

The previous prime is 28916003. The next prime is 28916033. The reversal of 28916030 is 3061982.

It is a super-2 number, since 2×28916030² = 1672273581921800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28915984 and 28916002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28916033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104252 + ... + 104528.

It is an arithmetic number, because the mean of its divisors is an integer number (972027).

Almost surely, 2^28916030 is an apocalyptic number.

28916030 is an abundant number, since it is smaller than the sum of its proper divisors (33293698).

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

28916030 is a wasteful number, since it uses less digits than its factorization.

28916030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 28916030 is about 5377.3627365094. The cubic root of 28916030 is about 306.9348643586.

The spelling of 28916030 in words is "twenty-eight million, nine hundred sixteen thousand, thirty".