28446115 has 8 divisors (see below), whose sum is σ = 34183440. Its totient is φ = 22724832.

The previous prime is 28446113. The next prime is 28446133. The reversal of 28446115 is 51164482.

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 28446115 - 2¹ = 28446113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28446113) 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, 321 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (4272930).

Almost surely, 2^28446115 is an apocalyptic number.

28446115 is a deficient number, since it is larger than the sum of its proper divisors (5737325).

28446115 is an equidigital number, since it uses as much as digits as its factorization.

28446115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021.

The product of its digits is 7680, while the sum is 31.

The square root of 28446115 is about 5333.4899456172. The cubic root of 28446115 is about 305.2631071954.

It can be divided in two parts, 28446 and 115, that added together give a 4-th power (28561 = 13⁴).

The spelling of 28446115 in words is "twenty-eight million, four hundred forty-six thousand, one hundred fifteen".