28403327 has 2 divisors, whose sum is σ = 28403328. Its totient is φ = 28403326.

The previous prime is 28403299. The next prime is 28403339. The reversal of 28403327 is 72330482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28403327 - 2²² = 24209023 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28403327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28403387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14201663 + 14201664.

It is an arithmetic number, because the mean of its divisors is an integer number (14201664).

Almost surely, 2^28403327 is an apocalyptic number.

28403327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28403327 is an equidigital number, since it uses as much as digits as its factorization.

28403327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 28403327 is about 5329.4771788610. The cubic root of 28403327 is about 305.1099737793.

The spelling of 28403327 in words is "twenty-eight million, four hundred three thousand, three hundred twenty-seven".