28323214 has 16 divisors (see below), whose sum is σ = 43179840. Its totient is φ = 13932000.

The previous prime is 28323209. The next prime is 28323277. The reversal of 28323214 is 41232382.

It is a congruent number.

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, 37339 + ... + 38089.

It is an arithmetic number, because the mean of its divisors is an integer number (2698740).

Almost surely, 2^28323214 is an apocalyptic number.

28323214 is a deficient number, since it is larger than the sum of its proper divisors (14856626).

28323214 is a wasteful number, since it uses less digits than its factorization.

28323214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035.

The product of its digits is 2304, while the sum is 25.

The square root of 28323214 is about 5321.9558434846. The cubic root of 28323214 is about 304.8228443576.

Adding to 28323214 its reverse (41232382), we get a palindrome (69555596).

The spelling of 28323214 in words is "twenty-eight million, three hundred twenty-three thousand, two hundred fourteen".