28488115 has 8 divisors (see below), whose sum is σ = 34242768. Its totient is φ = 22752480.

The previous prime is 28488067. The next prime is 28488127. The reversal of 28488115 is 51188482.

It is a happy number.

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

It is not a de Polignac number, because 28488115 - 2⁹ = 28487603 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216 + ... + 7645.

It is an arithmetic number, because the mean of its divisors is an integer number (4280346).

Almost surely, 2^28488115 is an apocalyptic number.

28488115 is a deficient number, since it is larger than the sum of its proper divisors (5754653).

28488115 is an equidigital number, since it uses as much as digits as its factorization.

28488115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509.

The product of its digits is 20480, while the sum is 37.

The square root of 28488115 is about 5337.4258777055. The cubic root of 28488115 is about 305.4132711771.

The spelling of 28488115 in words is "twenty-eight million, four hundred eighty-eight thousand, one hundred fifteen".