28316396 has 18 divisors (see below), whose sum is σ = 50939028. Its totient is φ = 13772880.

The previous prime is 28316371. The next prime is 28316417. The reversal of 28316396 is 69361382.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2891 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (2829946).

Almost surely, 2^28316396 is an apocalyptic number.

It is an amenable number.

28316396 is a deficient number, since it is larger than the sum of its proper divisors (22622632).

28316396 is a wasteful number, since it uses less digits than its factorization.

28316396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249 (or 5210 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 28316396 is about 5321.3152509507. The cubic root of 28316396 is about 304.7983832808.

The spelling of 28316396 in words is "twenty-eight million, three hundred sixteen thousand, three hundred ninety-six".