28056374 has 8 divisors (see below), whose sum is σ = 42121080. Its totient is φ = 14016016.

The previous prime is 28056373. The next prime is 28056403. The reversal of 28056374 is 47365082.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056373) 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 3 ways as a sum of consecutive naturals, for example, 2864 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (5265135).

Almost surely, 2^28056374 is an apocalyptic number.

28056374 is a deficient number, since it is larger than the sum of its proper divisors (14064706).

28056374 is a wasteful number, since it uses less digits than its factorization.

28056374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12174.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 28056374 is about 5296.8267859163. The cubic root of 28056374 is about 303.8625518420.

The spelling of 28056374 in words is "twenty-eight million, fifty-six thousand, three hundred seventy-four".