28149683 has 2 divisors, whose sum is σ = 28149684. Its totient is φ = 28149682.

The previous prime is 28149661. The next prime is 28149701. The reversal of 28149683 is 38694182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28149683 - 2⁶ = 28149619 is a prime.

It is a Sophie Germain 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 28149683.

It is not a weakly prime, because it can be changed into another prime (28149613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14074841 + 14074842.

It is an arithmetic number, because the mean of its divisors is an integer number (14074842).

Almost surely, 2^28149683 is an apocalyptic number.

28149683 is a deficient number, since it is larger than the sum of its proper divisors (1).

28149683 is an equidigital number, since it uses as much as digits as its factorization.

28149683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 28149683 is about 5305.6274840965. The cubic root of 28149683 is about 304.1990379092.

The spelling of 28149683 in words is "twenty-eight million, one hundred forty-nine thousand, six hundred eighty-three".