28031327 has 8 divisors (see below), whose sum is σ = 29660400. Its totient is φ = 26417664.

The previous prime is 28031321. The next prime is 28031369. The reversal of 28031327 is 72313082.

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

It is a cyclic number.

It is not a de Polignac number, because 28031327 - 2⁸ = 28031071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28031296 and 28031305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28031321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 7487.

It is an arithmetic number, because the mean of its divisors is an integer number (3707550).

Almost surely, 2^28031327 is an apocalyptic number.

28031327 is a deficient number, since it is larger than the sum of its proper divisors (1629073).

28031327 is a wasteful number, since it uses less digits than its factorization.

28031327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 28031327 is about 5294.4619178912. The cubic root of 28031327 is about 303.7721016732.

The spelling of 28031327 in words is "twenty-eight million, thirty-one thousand, three hundred twenty-seven".