28888485 has 8 divisors (see below), whose sum is σ = 46221600. Its totient is φ = 15407184.

The previous prime is 28888481. The next prime is 28888487. The reversal of 28888485 is 58488882.

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 28888485 - 2² = 28888481 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28888481) 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, 962935 + ... + 962964.

It is an arithmetic number, because the mean of its divisors is an integer number (5777700).

Almost surely, 2^28888485 is an apocalyptic number.

It is an amenable number.

28888485 is a deficient number, since it is larger than the sum of its proper divisors (17333115).

28888485 is a wasteful number, since it uses less digits than its factorization.

28888485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925907.

The product of its digits is 1310720, while the sum is 51.

The square root of 28888485 is about 5374.8009265460. The cubic root of 28888485 is about 306.8373727964.

The spelling of 28888485 in words is "twenty-eight million, eight hundred eighty-eight thousand, four hundred eighty-five".