28367156 has 12 divisors (see below), whose sum is σ = 49930692. Its totient is φ = 14101248.

The previous prime is 28367117. The next prime is 28367167. The reversal of 28367156 is 65176382.

It can be written as a sum of positive squares in 2 ways, for example, as 15335056 + 13032100 = 3916^2 + 3610^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19805 + ... + 21188.

It is an arithmetic number, because the mean of its divisors is an integer number (4160891).

Almost surely, 2^28367156 is an apocalyptic number.

It is an amenable number.

28367156 is a deficient number, since it is larger than the sum of its proper divisors (21563536).

28367156 is a wasteful number, since it uses less digits than its factorization.

28367156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41170 (or 41168 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 28367156 is about 5326.0826129530. The cubic root of 28367156 is about 304.9804018582.

The spelling of 28367156 in words is "twenty-eight million, three hundred sixty-seven thousand, one hundred fifty-six".