28448058 has 16 divisors (see below), whose sum is σ = 57617280. Its totient is φ = 9362496.

The previous prime is 28448053. The next prime is 28448059. The reversal of 28448058 is 85084482.

It is a super-3 number, since 3×28448058³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28448051) 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, 29535 + ... + 30482.

It is an arithmetic number, because the mean of its divisors is an integer number (3601080).

Almost surely, 2^28448058 is an apocalyptic number.

28448058 is an abundant number, since it is smaller than the sum of its proper divisors (29169222).

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

28448058 is a wasteful number, since it uses less digits than its factorization.

28448058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60101.

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 28448058 is about 5333.6720934081. The cubic root of 28448058 is about 305.2700573268.

The spelling of 28448058 in words is "twenty-eight million, four hundred forty-eight thousand, fifty-eight".