28894983 has 8 divisors (see below), whose sum is σ = 41490288. Its totient is φ = 17781504.

The previous prime is 28894967. The next prime is 28894997. The reversal of 28894983 is 38949882.

It is a happy number.

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

It is not a de Polignac number, because 28894983 - 2⁴ = 28894967 is a prime.

It is a super-3 number, since 3×28894983³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28894783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370410 + ... + 370487.

It is an arithmetic number, because the mean of its divisors is an integer number (5186286).

Almost surely, 2^28894983 is an apocalyptic number.

28894983 is a deficient number, since it is larger than the sum of its proper divisors (12595305).

28894983 is a wasteful number, since it uses less digits than its factorization.

28894983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740913.

The product of its digits is 995328, while the sum is 51.

The square root of 28894983 is about 5375.4053800620. The cubic root of 28894983 is about 306.8603771154.

The spelling of 28894983 in words is "twenty-eight million, eight hundred ninety-four thousand, nine hundred eighty-three".