28632793 has 8 divisors (see below), whose sum is σ = 33048000. Its totient is φ = 24298800.

The previous prime is 28632781. The next prime is 28632803. The reversal of 28632793 is 39723682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28632793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28632713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19543 + ... + 20956.

It is an arithmetic number, because the mean of its divisors is an integer number (4131000).

Almost surely, 2^28632793 is an apocalyptic number.

It is an amenable number.

28632793 is a deficient number, since it is larger than the sum of its proper divisors (4415207).

28632793 is a wasteful number, since it uses less digits than its factorization.

28632793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40607.

The product of its digits is 108864, while the sum is 40.

The square root of 28632793 is about 5350.9618761490. The cubic root of 28632793 is about 305.9294161320.

The spelling of 28632793 in words is "twenty-eight million, six hundred thirty-two thousand, seven hundred ninety-three".