28232193 has 8 divisors (see below), whose sum is σ = 41065056. Its totient is φ = 17110400.

The previous prime is 28232179. The next prime is 28232207. The reversal of 28232193 is 39123282.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28232179) and next prime (28232207).

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 28232193 - 2⁵ = 28232161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28232193.

It is not an unprimeable number, because it can be changed into a prime (28232153) 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, 427728 + ... + 427793.

It is an arithmetic number, because the mean of its divisors is an integer number (5133132).

Almost surely, 2^28232193 is an apocalyptic number.

It is an amenable number.

28232193 is a deficient number, since it is larger than the sum of its proper divisors (12832863).

28232193 is a wasteful number, since it uses less digits than its factorization.

28232193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855535.

The product of its digits is 5184, while the sum is 30.

The square root of 28232193 is about 5313.3975006581. The cubic root of 28232193 is about 304.4959622632.

It can be divided in two parts, 28 and 232193, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 28232193 in words is "twenty-eight million, two hundred thirty-two thousand, one hundred ninety-three".