28906848 has 48 divisors (see below), whose sum is σ = 84314160. Its totient is φ = 9635328.

The previous prime is 28906831. The next prime is 28906877. The reversal of 28906848 is 84860982.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×28906848² = 1671211722590208, which contains 22 as substring.

It is a congruent number.

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, 15865 + ... + 17592.

It is an arithmetic number, because the mean of its divisors is an integer number (1756545).

Almost surely, 2^28906848 is an apocalyptic number.

It is an amenable number.

28906848 is an abundant number, since it is smaller than the sum of its proper divisors (55407312).

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

28906848 is a wasteful number, since it uses less digits than its factorization.

28906848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33476 (or 33462 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 28906848 is about 5376.5089044844. The cubic root of 28906848 is about 306.9023728734.

The spelling of 28906848 in words is "twenty-eight million, nine hundred six thousand, eight hundred forty-eight".