28983197 has 8 divisors (see below), whose sum is σ = 30528576. Its totient is φ = 27461632.

The previous prime is 28983191. The next prime is 28983203. The reversal of 28983197 is 79138982.

It is an interprime number because it is at equal distance from previous prime (28983191) and next prime (28983203).

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

It is not a de Polignac number, because 28983197 - 2¹⁴ = 28966813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28983191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428 + ... + 8349.

It is an arithmetic number, because the mean of its divisors is an integer number (3816072).

Almost surely, 2^28983197 is an apocalyptic number.

It is an amenable number.

28983197 is a deficient number, since it is larger than the sum of its proper divisors (1545379).

28983197 is a wasteful number, since it uses less digits than its factorization.

28983197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11907.

The product of its digits is 217728, while the sum is 47.

The square root of 28983197 is about 5383.6044616966. The cubic root of 28983197 is about 307.1723330129.

The spelling of 28983197 in words is "twenty-eight million, nine hundred eighty-three thousand, one hundred ninety-seven".