28460929 has 16 divisors (see below), whose sum is σ = 33618816. Its totient is φ = 23587200.

The previous prime is 28460923. The next prime is 28461047. The reversal of 28460929 is 92906482.

It is not a de Polignac number, because 28460929 - 2⁷ = 28460801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28460891 and 28460900.

It is not an unprimeable number, because it can be changed into a prime (28460923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37219 + ... + 37975.

It is an arithmetic number, because the mean of its divisors is an integer number (2101176).

Almost surely, 2^28460929 is an apocalyptic number.

It is an amenable number.

28460929 is a deficient number, since it is larger than the sum of its proper divisors (5157887).

28460929 is a wasteful number, since it uses less digits than its factorization.

28460929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 28460929 is about 5334.8785365742. The cubic root of 28460929 is about 305.3160890394.

The spelling of 28460929 in words is "twenty-eight million, four hundred sixty thousand, nine hundred twenty-nine".