28888486 has 16 divisors (see below), whose sum is σ = 47450448. Its totient is φ = 13081600.

The previous prime is 28888481. The next prime is 28888487. The reversal of 28888486 is 68488882.

It is a happy 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, 3846 + ... + 8518.

It is an arithmetic number, because the mean of its divisors is an integer number (2965653).

Almost surely, 2^28888486 is an apocalyptic number.

28888486 is a deficient number, since it is larger than the sum of its proper divisors (18561962).

28888486 is a wasteful number, since it uses less digits than its factorization.

28888486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967.

The product of its digits is 1572864, while the sum is 52.

The square root of 28888486 is about 5374.8010195727. The cubic root of 28888486 is about 306.8373763368.

The spelling of 28888486 in words is "twenty-eight million, eight hundred eighty-eight thousand, four hundred eighty-six".