28653382 has 4 divisors (see below), whose sum is σ = 42980076. Its totient is φ = 14326690.

The previous prime is 28653371. The next prime is 28653389. The reversal of 28653382 is 28335682.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28653389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7163344 + ... + 7163347.

It is an arithmetic number, because the mean of its divisors is an integer number (10745019).

Almost surely, 2^28653382 is an apocalyptic number.

28653382 is a deficient number, since it is larger than the sum of its proper divisors (14326694).

28653382 is a wasteful number, since it uses less digits than its factorization.

28653382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14326693.

The product of its digits is 69120, while the sum is 37.

The square root of 28653382 is about 5352.8853901424. The cubic root of 28653382 is about 306.0027268471.

The spelling of 28653382 in words is "twenty-eight million, six hundred fifty-three thousand, three hundred eighty-two".