28315324 has 12 divisors (see below), whose sum is σ = 49617400. Its totient is φ = 14138928.

The previous prime is 28315289. The next prime is 28315327. The reversal of 28315324 is 42351382.

It is a junction number, because it is equal to n+sod(n) for n = 28315292 and 28315301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28315327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954 + ... + 7585.

Almost surely, 2^28315324 is an apocalyptic number.

It is an amenable number.

28315324 is a deficient number, since it is larger than the sum of its proper divisors (21302076).

28315324 is a wasteful number, since it uses less digits than its factorization.

28315324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9372 (or 9370 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 28315324 is about 5321.2145230201. The cubic root of 28315324 is about 304.7945368875.

The spelling of 28315324 in words is "twenty-eight million, three hundred fifteen thousand, three hundred twenty-four".