28369626 has 32 divisors (see below), whose sum is σ = 59609088. Its totient is φ = 8983920.

The previous prime is 28369597. The next prime is 28369657. The reversal of 28369626 is 62696382.

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 15 ways as a sum of consecutive naturals, for example, 22431 + ... + 23661.

It is an arithmetic number, because the mean of its divisors is an integer number (1862784).

Almost surely, 2^28369626 is an apocalyptic number.

28369626 is an abundant number, since it is smaller than the sum of its proper divisors (31239462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28369626 is a wasteful number, since it uses less digits than its factorization.

28369626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its digits is 186624, while the sum is 42.

The square root of 28369626 is about 5326.3144856458. The cubic root of 28369626 is about 304.9892534062.

The spelling of 28369626 in words is "twenty-eight million, three hundred sixty-nine thousand, six hundred twenty-six".