28810630 has 16 divisors (see below), whose sum is σ = 53647920. Its totient is φ = 11126752.

The previous prime is 28810609. The next prime is 28810637. The reversal of 28810630 is 3601882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28810637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49384 + ... + 49963.

It is an arithmetic number, because the mean of its divisors is an integer number (3352995).

Almost surely, 2^28810630 is an apocalyptic number.

28810630 is a deficient number, since it is larger than the sum of its proper divisors (24837290).

28810630 is a wasteful number, since it uses less digits than its factorization.

28810630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99383.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 28810630 is about 5367.5534464037. The cubic root of 28810630 is about 306.5614806762.

The spelling of 28810630 in words is "twenty-eight million, eight hundred ten thousand, six hundred thirty".