28500058 has 16 divisors (see below), whose sum is σ = 45944064. Its totient is φ = 13210560.

The previous prime is 28500049. The next prime is 28500071. The reversal of 28500058 is 85000582.

It is a junction number, because it is equal to n+sod(n) for n = 28499999 and 28500035.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3978 + ... + 8533.

It is an arithmetic number, because the mean of its divisors is an integer number (2871504).

Almost surely, 2^28500058 is an apocalyptic number.

28500058 is a deficient number, since it is larger than the sum of its proper divisors (17444006).

28500058 is a wasteful number, since it uses less digits than its factorization.

28500058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 28500058 is about 5338.5445582106. The cubic root of 28500058 is about 305.4559444241.

The spelling of 28500058 in words is "twenty-eight million, five hundred thousand, fifty-eight".