28326038 has 8 divisors (see below), whose sum is σ = 45757488. Its totient is φ = 13073544.

The previous prime is 28325981. The next prime is 28326047. The reversal of 28326038 is 83062382.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 28325995 and 28326013.

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 3 ways as a sum of consecutive naturals, for example, 544706 + ... + 544757.

It is an arithmetic number, because the mean of its divisors is an integer number (5719686).

Almost surely, 2^28326038 is an apocalyptic number.

28326038 is a deficient number, since it is larger than the sum of its proper divisors (17431450).

28326038 is a wasteful number, since it uses less digits than its factorization.

28326038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089478.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 28326038 is about 5322.2211528647. The cubic root of 28326038 is about 304.8329749299.

The spelling of 28326038 in words is "twenty-eight million, three hundred twenty-six thousand, thirty-eight".