28016626 has 8 divisors (see below), whose sum is σ = 45845424. Its totient is φ = 12734820.

The previous prime is 28016609. The next prime is 28016627. The reversal of 28016626 is 62661082.

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 (28016627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636720 + ... + 636763.

It is an arithmetic number, because the mean of its divisors is an integer number (5730678).

Almost surely, 2^28016626 is an apocalyptic number.

28016626 is a deficient number, since it is larger than the sum of its proper divisors (17828798).

28016626 is a wasteful number, since it uses less digits than its factorization.

28016626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273496.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28016626 is about 5293.0733983197. The cubic root of 28016626 is about 303.7189880672.

The spelling of 28016626 in words is "twenty-eight million, sixteen thousand, six hundred twenty-six".