28654894 has 8 divisors (see below), whose sum is σ = 45510768. Its totient is φ = 13484640.

The previous prime is 28654889. The next prime is 28654897. The reversal of 28654894 is 49845682.

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

It is a super-2 number, since 2×28654894² = 1642205900302472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28654897) 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, 421362 + ... + 421429.

It is an arithmetic number, because the mean of its divisors is an integer number (5688846).

Almost surely, 2^28654894 is an apocalyptic number.

28654894 is a deficient number, since it is larger than the sum of its proper divisors (16855874).

28654894 is a wasteful number, since it uses less digits than its factorization.

28654894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842810.

The product of its digits is 552960, while the sum is 46.

The square root of 28654894 is about 5353.0266205204. The cubic root of 28654894 is about 306.0081092017.

The spelling of 28654894 in words is "twenty-eight million, six hundred fifty-four thousand, eight hundred ninety-four".