28484058 has 8 divisors (see below), whose sum is σ = 56968128. Its totient is φ = 9494684.

The previous prime is 28484041. The next prime is 28484063. The reversal of 28484058 is 85048482.

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

28484058 is an admirable number.

It is a super-2 number, since 2×28484058² = 1622683120294728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373666 + ... + 2373677.

It is an arithmetic number, because the mean of its divisors is an integer number (7121016).

Almost surely, 2^28484058 is an apocalyptic number.

28484058 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.

28484058 is a wasteful number, since it uses less digits than its factorization.

28484058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747348.

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

The square root of 28484058 is about 5337.0458120575. The cubic root of 28484058 is about 305.3987724939.

The spelling of 28484058 in words is "twenty-eight million, four hundred eighty-four thousand, fifty-eight".