28882297 has 8 divisors (see below), whose sum is σ = 30378240. Its totient is φ = 27421680.

The previous prime is 28882279. The next prime is 28882307. The reversal of 28882297 is 79228882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28882297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28882207) 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, 7147 + ... + 10432.

It is an arithmetic number, because the mean of its divisors is an integer number (3797280).

Almost surely, 2^28882297 is an apocalyptic number.

It is an amenable number.

28882297 is a deficient number, since it is larger than the sum of its proper divisors (1495943).

28882297 is a wasteful number, since it uses less digits than its factorization.

28882297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663.

The product of its digits is 258048, while the sum is 46.

The square root of 28882297 is about 5374.2252464890. The cubic root of 28882297 is about 306.8154627372.

The spelling of 28882297 in words is "twenty-eight million, eight hundred eighty-two thousand, two hundred ninety-seven".