28395678 has 32 divisors (see below), whose sum is σ = 60528384. Its totient is φ = 8849792.

The previous prime is 28395677. The next prime is 28395713. The reversal of 28395678 is 87659382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28395677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16201 + ... + 17867.

It is an arithmetic number, because the mean of its divisors is an integer number (1891512).

Almost surely, 2^28395678 is an apocalyptic number.

28395678 is an abundant number, since it is smaller than the sum of its proper divisors (32132706).

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

28395678 is a wasteful number, since it uses less digits than its factorization.

28395678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856.

The product of its digits is 725760, while the sum is 48.

The square root of 28395678 is about 5328.7595179366. The cubic root of 28395678 is about 305.0825826722.

The spelling of 28395678 in words is "twenty-eight million, three hundred ninety-five thousand, six hundred seventy-eight".