28158095 has 48 divisors (see below), whose sum is σ = 43338240. Its totient is φ = 17430336.

The previous prime is 28158083. The next prime is 28158173. The reversal of 28158095 is 59085182.

It is not a de Polignac number, because 28158095 - 2¹² = 28153999 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 106934 + ... + 107196.

It is an arithmetic number, because the mean of its divisors is an integer number (902880).

Almost surely, 2^28158095 is an apocalyptic number.

28158095 is a deficient number, since it is larger than the sum of its proper divisors (15180145).

28158095 is a wasteful number, since it uses less digits than its factorization.

28158095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 28158095 is about 5306.4201680606. The cubic root of 28158095 is about 304.2293362664.

The spelling of 28158095 in words is "twenty-eight million, one hundred fifty-eight thousand, ninety-five".