28375306 has 8 divisors (see below), whose sum is σ = 42692544. Its totient is φ = 14144460.

The previous prime is 28375297. The next prime is 28375343. The reversal of 28375306 is 60357382.

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, 20770 + ... + 22093.

It is an arithmetic number, because the mean of its divisors is an integer number (5336568).

Almost surely, 2^28375306 is an apocalyptic number.

28375306 is a deficient number, since it is larger than the sum of its proper divisors (14317238).

28375306 is a wasteful number, since it uses less digits than its factorization.

28375306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43196.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 28375306 is about 5326.8476606714. The cubic root of 28375306 is about 305.0096064340.

The spelling of 28375306 in words is "twenty-eight million, three hundred seventy-five thousand, three hundred six".