28150234 has 16 divisors (see below), whose sum is σ = 48417408. Its totient is φ = 12024432.

The previous prime is 28150217. The next prime is 28150247. The reversal of 28150234 is 43205182.

It is a junction number, because it is equal to n+sod(n) for n = 28150199 and 28150208.

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, 1267 + ... + 7609.

It is an arithmetic number, because the mean of its divisors is an integer number (3026088).

Almost surely, 2^28150234 is an apocalyptic number.

28150234 is a deficient number, since it is larger than the sum of its proper divisors (20267174).

28150234 is a wasteful number, since it uses less digits than its factorization.

28150234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6669.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 28150234 is about 5305.6794098400. The cubic root of 28150234 is about 304.2010226867.

The spelling of 28150234 in words is "twenty-eight million, one hundred fifty thousand, two hundred thirty-four".