28989294 has 8 divisors (see below), whose sum is σ = 57978600. Its totient is φ = 9663096.

The previous prime is 28989293. The next prime is 28989319. The reversal of 28989294 is 49298982.

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

28989294 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28989293) 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, 2415769 + ... + 2415780.

It is an arithmetic number, because the mean of its divisors is an integer number (7247325).

Almost surely, 2^28989294 is an apocalyptic number.

28989294 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28989294 is a wasteful number, since it uses less digits than its factorization.

28989294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831554.

The product of its digits is 746496, while the sum is 51.

The square root of 28989294 is about 5384.1706882305. The cubic root of 28989294 is about 307.1938707612.

The spelling of 28989294 in words is "twenty-eight million, nine hundred eighty-nine thousand, two hundred ninety-four".