28364626 has 8 divisors (see below), whose sum is σ = 42669900. Its totient is φ = 14141328.

The previous prime is 28364621. The next prime is 28364629. The reversal of 28364626 is 62646382.

It can be written as a sum of positive squares in 2 ways, for example, as 26677225 + 1687401 = 5165^2 + 1299^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28364621) 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 3 ways as a sum of consecutive naturals, for example, 19621 + ... + 21016.

Almost surely, 2^28364626 is an apocalyptic number.

28364626 is a deficient number, since it is larger than the sum of its proper divisors (14305274).

28364626 is a wasteful number, since it uses less digits than its factorization.

28364626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40988.

The product of its digits is 82944, while the sum is 37.

The square root of 28364626 is about 5325.8450972592. The cubic root of 28364626 is about 304.9713347601.

The spelling of 28364626 in words is "twenty-eight million, three hundred sixty-four thousand, six hundred twenty-six".