28325386 has 8 divisors (see below), whose sum is σ = 42539904. Its totient is φ = 14145420.

The previous prime is 28325377. The next prime is 28325393. The reversal of 28325386 is 68352382.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6480 + ... + 9931.

It is an arithmetic number, because the mean of its divisors is an integer number (5317488).

Almost surely, 2^28325386 is an apocalyptic number.

28325386 is a deficient number, since it is larger than the sum of its proper divisors (14214518).

28325386 is a wasteful number, since it uses less digits than its factorization.

28325386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17276.

The product of its digits is 69120, while the sum is 37.

The square root of 28325386 is about 5322.1598998903. The cubic root of 28325386 is about 304.8306360615.

The spelling of 28325386 in words is "twenty-eight million, three hundred twenty-five thousand, three hundred eighty-six".