28885894 has 8 divisors (see below), whose sum is σ = 44385768. Its totient is φ = 14090640.

The previous prime is 28885889. The next prime is 28885897. The reversal of 28885894 is 49858882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28885897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176052 + ... + 176215.

It is an arithmetic number, because the mean of its divisors is an integer number (5548221).

Almost surely, 2^28885894 is an apocalyptic number.

28885894 is a deficient number, since it is larger than the sum of its proper divisors (15499874).

28885894 is a wasteful number, since it uses less digits than its factorization.

28885894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352310.

The product of its digits is 1474560, while the sum is 52.

The square root of 28885894 is about 5374.5598889584. The cubic root of 28885894 is about 306.8281991365.

The spelling of 28885894 in words is "twenty-eight million, eight hundred eighty-five thousand, eight hundred ninety-four".