28046375 has 48 divisors (see below), whose sum is σ = 43037280. Its totient is φ = 18144000.

The previous prime is 28046371. The next prime is 28046423. The reversal of 28046375 is 57364082.

It is a happy number.

It is not a de Polignac number, because 28046375 - 2² = 28046371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28046371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116255 + ... + 116495.

It is an arithmetic number, because the mean of its divisors is an integer number (896610).

Almost surely, 2^28046375 is an apocalyptic number.

28046375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28046375 is a deficient number, since it is larger than the sum of its proper divisors (14990905).

28046375 is a wasteful number, since it uses less digits than its factorization.

28046375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 272 counting only the distinct ones).

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

The square root of 28046375 is about 5295.8828348067. The cubic root of 28046375 is about 303.8264497348.

The spelling of 28046375 in words is "twenty-eight million, forty-six thousand, three hundred seventy-five".