28058826 has 16 divisors (see below), whose sum is σ = 56174400. Its totient is φ = 9343488.

The previous prime is 28058819. The next prime is 28058837. The reversal of 28058826 is 62885082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6795 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (3510900).

Almost surely, 2^28058826 is an apocalyptic number.

28058826 is an abundant number, since it is smaller than the sum of its proper divisors (28115574).

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

28058826 is a wasteful number, since it uses less digits than its factorization.

28058826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 28058826 is about 5297.0582401933. The cubic root of 28058826 is about 303.8714036544.

The spelling of 28058826 in words is "twenty-eight million, fifty-eight thousand, eight hundred twenty-six".