28382315 has 8 divisors (see below), whose sum is σ = 36678768. Its totient is φ = 20959200.

The previous prime is 28382311. The next prime is 28382317. The reversal of 28382315 is 51328382.

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

It is not a de Polignac number, because 28382315 - 2² = 28382311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28382311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218261 + ... + 218390.

It is an arithmetic number, because the mean of its divisors is an integer number (4584846).

Almost surely, 2^28382315 is an apocalyptic number.

28382315 is a deficient number, since it is larger than the sum of its proper divisors (8296453).

28382315 is a wasteful number, since it uses less digits than its factorization.

28382315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436669.

The product of its digits is 11520, while the sum is 32.

The square root of 28382315 is about 5327.5055138404. The cubic root of 28382315 is about 305.0347178969.

The spelling of 28382315 in words is "twenty-eight million, three hundred eighty-two thousand, three hundred fifteen".