28669382 has 8 divisors (see below), whose sum is σ = 49147536. Its totient is φ = 12286872.

The previous prime is 28669369. The next prime is 28669393. The reversal of 28669382 is 28396682.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023893 + ... + 1023920.

It is an arithmetic number, because the mean of its divisors is an integer number (6143442).

Almost surely, 2^28669382 is an apocalyptic number.

28669382 is a deficient number, since it is larger than the sum of its proper divisors (20478154).

28669382 is a wasteful number, since it uses less digits than its factorization.

28669382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047822.

The product of its digits is 248832, while the sum is 44.

The square root of 28669382 is about 5354.3797026360. The cubic root of 28669382 is about 306.0596733837.

The spelling of 28669382 in words is "twenty-eight million, six hundred sixty-nine thousand, three hundred eighty-two".