28468158 has 16 divisors (see below), whose sum is σ = 59412096. Its totient is φ = 9076760.

The previous prime is 28468129. The next prime is 28468159. The reversal of 28468158 is 85186482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28468159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103008 + ... + 103283.

It is an arithmetic number, because the mean of its divisors is an integer number (3713256).

Almost surely, 2^28468158 is an apocalyptic number.

28468158 is an abundant number, since it is smaller than the sum of its proper divisors (30943938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28468158 is a wasteful number, since it uses less digits than its factorization.

28468158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206319.

The product of its digits is 122880, while the sum is 42.

The square root of 28468158 is about 5335.5560160118. The cubic root of 28468158 is about 305.3419366750.

It can be divided in two parts, 28468 and 158, that multiplied together give a palindrome (4497944).

The spelling of 28468158 in words is "twenty-eight million, four hundred sixty-eight thousand, one hundred fifty-eight".