28626927 has 24 divisors (see below), whose sum is σ = 46336896. Its totient is φ = 15645168.

The previous prime is 28626907. The next prime is 28626947. The reversal of 28626927 is 72962682.

It is an interprime number because it is at equal distance from previous prime (28626907) and next prime (28626947).

It is not a de Polignac number, because 28626927 - 2¹² = 28622831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28626907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853 + ... + 7614.

It is an arithmetic number, because the mean of its divisors is an integer number (1930704).

Almost surely, 2^28626927 is an apocalyptic number.

28626927 is a deficient number, since it is larger than the sum of its proper divisors (17709969).

28626927 is a wasteful number, since it uses less digits than its factorization.

28626927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507 (or 8500 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 28626927 is about 5350.4137223209. The cubic root of 28626927 is about 305.9085227863.

The spelling of 28626927 in words is "twenty-eight million, six hundred twenty-six thousand, nine hundred twenty-seven".