28371026 has 12 divisors (see below), whose sum is σ = 42891786. Its totient is φ = 14074560.

The previous prime is 28370989. The next prime is 28371037. The reversal of 28371026 is 62017382.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2105401 + 26265625 = 1451^2 + 5125^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28371026.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 65306 + ... + 65738.

Almost surely, 2^28371026 is an apocalyptic number.

28371026 is a deficient number, since it is larger than the sum of its proper divisors (14520760).

28371026 is an equidigital number, since it uses as much as digits as its factorization.

28371026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 28371026 is about 5326.4459069815. The cubic root of 28371026 is about 304.9942702498.

The spelling of 28371026 in words is "twenty-eight million, three hundred seventy-one thousand, twenty-six".