28632193 has 8 divisors (see below), whose sum is σ = 29836800. Its totient is φ = 27442128.

The previous prime is 28632179. The next prime is 28632203. The reversal of 28632193 is 39123682.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28632193 - 2⁵ = 28632161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28632103) 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 7 ways as a sum of consecutive naturals, for example, 480 + ... + 7582.

It is an arithmetic number, because the mean of its divisors is an integer number (3729600).

Almost surely, 2^28632193 is an apocalyptic number.

It is an amenable number.

28632193 is a deficient number, since it is larger than the sum of its proper divisors (1204607).

28632193 is a wasteful number, since it uses less digits than its factorization.

28632193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271.

The product of its digits is 15552, while the sum is 34.

The square root of 28632193 is about 5350.9058111688. The cubic root of 28632193 is about 305.9272792007.

The spelling of 28632193 in words is "twenty-eight million, six hundred thirty-two thousand, one hundred ninety-three".