28832869 has 8 divisors (see below), whose sum is σ = 32401152. Its totient is φ = 25457520.

The previous prime is 28832863. The next prime is 28832897. The reversal of 28832869 is 96823882.

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 28832869 - 2¹¹ = 28830821 is a prime.

It is a super-2 number, since 2×28832869² = 1662668669542322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28832863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47917 + ... + 48514.

It is an arithmetic number, because the mean of its divisors is an integer number (4050144).

Almost surely, 2^28832869 is an apocalyptic number.

It is an amenable number.

28832869 is a deficient number, since it is larger than the sum of its proper divisors (3568283).

28832869 is a wasteful number, since it uses less digits than its factorization.

28832869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96467.

The product of its digits is 331776, while the sum is 46.

The square root of 28832869 is about 5369.6246609982. The cubic root of 28832869 is about 306.6403389234.

The spelling of 28832869 in words is "twenty-eight million, eight hundred thirty-two thousand, eight hundred sixty-nine".