28654663 has 2 divisors, whose sum is σ = 28654664. Its totient is φ = 28654662.

The previous prime is 28654657. The next prime is 28654669. The reversal of 28654663 is 36645682.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (28654657) and next prime (28654669).

It is a cyclic number.

It is not a de Polignac number, because 28654663 - 2¹⁷ = 28523591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28654669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14327331 + 14327332.

It is an arithmetic number, because the mean of its divisors is an integer number (14327332).

Almost surely, 2^28654663 is an apocalyptic number.

28654663 is a deficient number, since it is larger than the sum of its proper divisors (1).

28654663 is an equidigital number, since it uses as much as digits as its factorization.

28654663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 28654663 is about 5353.0050438982. The cubic root of 28654663 is about 306.0072869098.

The spelling of 28654663 in words is "twenty-eight million, six hundred fifty-four thousand, six hundred sixty-three".