28349126 has 16 divisors (see below), whose sum is σ = 46861584. Its totient is φ = 12779424.

The previous prime is 28349099. The next prime is 28349129. The reversal of 28349126 is 62194382.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28349129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11561 + ... + 13796.

It is an arithmetic number, because the mean of its divisors is an integer number (2928849).

Almost surely, 2^28349126 is an apocalyptic number.

28349126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28349126 is a deficient number, since it is larger than the sum of its proper divisors (18512458).

28349126 is a wasteful number, since it uses less digits than its factorization.

28349126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25415.

The product of its digits is 20736, while the sum is 35.

The square root of 28349126 is about 5324.3897302883. The cubic root of 28349126 is about 304.9157735716.

The spelling of 28349126 in words is "twenty-eight million, three hundred forty-nine thousand, one hundred twenty-six".