28906627 has 2 divisors, whose sum is σ = 28906628. Its totient is φ = 28906626.

The previous prime is 28906567. The next prime is 28906651. The reversal of 28906627 is 72660982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28906627 - 2²³ = 20518019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28906627.

It is not a weakly prime, because it can be changed into another prime (28906667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14453313 + 14453314.

It is an arithmetic number, because the mean of its divisors is an integer number (14453314).

Almost surely, 2^28906627 is an apocalyptic number.

28906627 is a deficient number, since it is larger than the sum of its proper divisors (1).

28906627 is an equidigital number, since it uses as much as digits as its factorization.

28906627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 28906627 is about 5376.4883520752. The cubic root of 28906627 is about 306.9015907565.

The spelling of 28906627 in words is "twenty-eight million, nine hundred six thousand, six hundred twenty-seven".