28893854 has 8 divisors (see below), whose sum is σ = 47280888. Its totient is φ = 13133560.

The previous prime is 28893847. The next prime is 28893857. The reversal of 28893854 is 45839882.

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

It is a junction number, because it is equal to n+sod(n) for n = 28893799 and 28893808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28893857) 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, 656657 + ... + 656700.

It is an arithmetic number, because the mean of its divisors is an integer number (5910111).

Almost surely, 2^28893854 is an apocalyptic number.

28893854 is a deficient number, since it is larger than the sum of its proper divisors (18387034).

28893854 is a wasteful number, since it uses less digits than its factorization.

28893854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313370.

The product of its digits is 552960, while the sum is 47.

The square root of 28893854 is about 5375.3003637006. The cubic root of 28893854 is about 306.8563804599.

The spelling of 28893854 in words is "twenty-eight million, eight hundred ninety-three thousand, eight hundred fifty-four".