28983726 has 24 divisors (see below), whose sum is σ = 65529360. Its totient is φ = 9241056.

The previous prime is 28983719. The next prime is 28983727. The reversal of 28983726 is 62738982.

28983726 is a modest number, since divided by 3726 gives 2898 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28983727) 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 11 ways as a sum of consecutive naturals, for example, 34591 + ... + 35418.

It is an arithmetic number, because the mean of its divisors is an integer number (2730390).

Almost surely, 2^28983726 is an apocalyptic number.

28983726 is an abundant number, since it is smaller than the sum of its proper divisors (36545634).

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

28983726 is a wasteful number, since it uses less digits than its factorization.

28983726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70040 (or 70037 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 28983726 is about 5383.6535921250. The cubic root of 28983726 is about 307.1742018334.

The spelling of 28983726 in words is "twenty-eight million, nine hundred eighty-three thousand, seven hundred twenty-six".