28058548 has 12 divisors (see below), whose sum is σ = 56117152. Its totient is φ = 12025080.

The previous prime is 28058521. The next prime is 28058549. The reversal of 28058548 is 84585082.

It is a happy number.

28058548 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28058548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28058549) 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, 501018 + ... + 501073.

Almost surely, 2^28058548 is an apocalyptic number.

28058548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28058548 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.

28058548 is a wasteful number, since it uses less digits than its factorization.

28058548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002102 (or 1002100 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 28058548 is about 5297.0319991482. The cubic root of 28058548 is about 303.8704000898.

The spelling of 28058548 in words is "twenty-eight million, fifty-eight thousand, five hundred forty-eight".