28894902 has 8 divisors (see below), whose sum is σ = 57789816. Its totient is φ = 9631632.

The previous prime is 28894897. The next prime is 28894909. The reversal of 28894902 is 20949882.

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

28894902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28894909) 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, 2407903 + ... + 2407914.

It is an arithmetic number, because the mean of its divisors is an integer number (7223727).

Almost surely, 2^28894902 is an apocalyptic number.

28894902 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.

28894902 is a wasteful number, since it uses less digits than its factorization.

28894902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815822.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 28894902 is about 5375.3978457413. The cubic root of 28894902 is about 306.8600903792.

The spelling of 28894902 in words is "twenty-eight million, eight hundred ninety-four thousand, nine hundred two".