28094148 has 48 divisors (see below), whose sum is σ = 74088000. Its totient is φ = 9203904.

The previous prime is 28094147. The next prime is 28094167. The reversal of 28094148 is 84149082.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (28094147) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4168 + ... + 8576.

It is an arithmetic number, because the mean of its divisors is an integer number (1543500).

Almost surely, 2^28094148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28094148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37044000).

28094148 is an abundant number, since it is smaller than the sum of its proper divisors (45993852).

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

28094148 is a wasteful number, since it uses less digits than its factorization.

28094148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 28094148 is about 5300.3913063094. The cubic root of 28094148 is about 303.9988602220.

The spelling of 28094148 in words is "twenty-eight million, ninety-four thousand, one hundred forty-eight".