28669594 has 8 divisors (see below), whose sum is σ = 45267840. Its totient is φ = 13580316.

The previous prime is 28669591. The next prime is 28669639. The reversal of 28669594 is 49596682.

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

It is not an unprimeable number, because it can be changed into a prime (28669591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377194 + ... + 377269.

It is an arithmetic number, because the mean of its divisors is an integer number (5658480).

Almost surely, 2^28669594 is an apocalyptic number.

28669594 is a deficient number, since it is larger than the sum of its proper divisors (16598246).

28669594 is a wasteful number, since it uses less digits than its factorization.

28669594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754484.

The product of its digits is 933120, while the sum is 49.

The square root of 28669594 is about 5354.3994994770. The cubic root of 28669594 is about 306.0604277831.

The spelling of 28669594 in words is "twenty-eight million, six hundred sixty-nine thousand, five hundred ninety-four".