28456703 has 16 divisors (see below), whose sum is σ = 31881600. Its totient is φ = 25181280.

The previous prime is 28456651. The next prime is 28456717. The reversal of 28456703 is 30765482.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28456703 - 2¹⁴ = 28440319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28456783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105653 + ... + 105921.

It is an arithmetic number, because the mean of its divisors is an integer number (1992600).

Almost surely, 2^28456703 is an apocalyptic number.

28456703 is a deficient number, since it is larger than the sum of its proper divisors (3424897).

28456703 is a wasteful number, since it uses less digits than its factorization.

28456703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 28456703 is about 5334.4824491229. The cubic root of 28456703 is about 305.3009767469.

The spelling of 28456703 in words is "twenty-eight million, four hundred fifty-six thousand, seven hundred three".