28887326 has 16 divisors (see below), whose sum is σ = 46950624. Its totient is φ = 13250784.

The previous prime is 28887307. The next prime is 28887337. The reversal of 28887326 is 62378882.

It is a congruent number.

It is an unprimeable number.

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, 1016 + ... + 7668.

It is an arithmetic number, because the mean of its divisors is an integer number (2934414).

Almost surely, 2^28887326 is an apocalyptic number.

28887326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28887326 is a deficient number, since it is larger than the sum of its proper divisors (18063298).

28887326 is a wasteful number, since it uses less digits than its factorization.

28887326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835.

The product of its digits is 258048, while the sum is 44.

The square root of 28887326 is about 5374.6931075179. The cubic root of 28887326 is about 306.8332693243.

The spelling of 28887326 in words is "twenty-eight million, eight hundred eighty-seven thousand, three hundred twenty-six".