28230910 has 24 divisors (see below), whose sum is σ = 51755256. Its totient is φ = 11087280.

The previous prime is 28230877. The next prime is 28230947. The reversal of 28230910 is 1903282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34405 + ... + 35215.

It is an arithmetic number, because the mean of its divisors is an integer number (2156469).

Almost surely, 2^28230910 is an apocalyptic number.

28230910 is a deficient number, since it is larger than the sum of its proper divisors (23524346).

28230910 is an equidigital number, since it uses as much as digits as its factorization.

28230910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 28230910 is about 5313.2767667420. The cubic root of 28230910 is about 304.4913496302.

The spelling of 28230910 in words is "twenty-eight million, two hundred thirty thousand, nine hundred ten".