28074844 has 18 divisors (see below), whose sum is σ = 57152760. Its totient is φ = 12031992.

The previous prime is 28074841. The next prime is 28074847. The reversal of 28074844 is 44847082.

It is an interprime number because it is at equal distance from previous prime (28074841) and next prime (28074847).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28074841) 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 5 ways as a sum of consecutive naturals, for example, 71424 + ... + 71815.

Almost surely, 2^28074844 is an apocalyptic number.

It is an amenable number.

28074844 is an abundant number, since it is smaller than the sum of its proper divisors (29077916).

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

28074844 is a wasteful number, since it uses less digits than its factorization.

28074844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143257 (or 143248 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 28074844 is about 5298.5699957630. The cubic root of 28074844 is about 303.9292165533.

The spelling of 28074844 in words is "twenty-eight million, seventy-four thousand, eight hundred forty-four".