28797045 has 16 divisors (see below), whose sum is σ = 46230912. Its totient is φ = 15306560.

The previous prime is 28797023. The next prime is 28797053. The reversal of 28797045 is 54079782.

It is not a de Polignac number, because 28797045 - 2⁶ = 28796981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28796988 and 28797006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1579 + ... + 7751.

It is an arithmetic number, because the mean of its divisors is an integer number (2889432).

Almost surely, 2^28797045 is an apocalyptic number.

It is an amenable number.

28797045 is a deficient number, since it is larger than the sum of its proper divisors (17433867).

28797045 is a wasteful number, since it uses less digits than its factorization.

28797045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 28797045 is about 5366.2878230673. The cubic root of 28797045 is about 306.5132890601.

The spelling of 28797045 in words is "twenty-eight million, seven hundred ninety-seven thousand, forty-five".