28454708 has 6 divisors (see below), whose sum is σ = 49795746. Its totient is φ = 14227352.

The previous prime is 28454707. The next prime is 28454717. The reversal of 28454708 is 80745482.

It can be written as a sum of positive squares in only one way, i.e., 27478564 + 976144 = 5242^2 + 988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28454707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3556835 + ... + 3556842.

It is an arithmetic number, because the mean of its divisors is an integer number (8299291).

Almost surely, 2^28454708 is an apocalyptic number.

It is an amenable number.

28454708 is a deficient number, since it is larger than the sum of its proper divisors (21341038).

28454708 is a wasteful number, since it uses less digits than its factorization.

28454708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7113681 (or 7113679 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 28454708 is about 5334.2954548844. The cubic root of 28454708 is about 305.2938420519.

The spelling of 28454708 in words is "twenty-eight million, four hundred fifty-four thousand, seven hundred eight".