28801158 has 8 divisors (see below), whose sum is σ = 57602328. Its totient is φ = 9600384.

The previous prime is 28801153. The next prime is 28801163. The reversal of 28801158 is 85110882.

It is an interprime number because it is at equal distance from previous prime (28801153) and next prime (28801163).

It is a sphenic number, since it is the product of 3 distinct primes.

28801158 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28801153) 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, 2400091 + ... + 2400102.

It is an arithmetic number, because the mean of its divisors is an integer number (7200291).

Almost surely, 2^28801158 is an apocalyptic number.

28801158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28801158 is a wasteful number, since it uses less digits than its factorization.

28801158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800198.

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 28801158 is about 5366.6710351949. The cubic root of 28801158 is about 306.5278811724.

The spelling of 28801158 in words is "twenty-eight million, eight hundred one thousand, one hundred fifty-eight".