28984974 has 16 divisors (see below), whose sum is σ = 58198608. Its totient is φ = 9623552.

The previous prime is 28984973. The next prime is 28984981. The reversal of 28984974 is 47948982.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28984973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7857 + ... + 10940.

It is an arithmetic number, because the mean of its divisors is an integer number (3637413).

Almost surely, 2^28984974 is an apocalyptic number.

28984974 is an abundant number, since it is smaller than the sum of its proper divisors (29213634).

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

28984974 is a wasteful number, since it uses less digits than its factorization.

28984974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19059.

The product of its digits is 1161216, while the sum is 51.

The square root of 28984974 is about 5383.7694972946. The cubic root of 28984974 is about 307.1786106052.

The spelling of 28984974 in words is "twenty-eight million, nine hundred eighty-four thousand, nine hundred seventy-four".