28883897 has 8 divisors (see below), whose sum is σ = 33712896. Its totient is φ = 24230592.

The previous prime is 28883891. The next prime is 28883903. The reversal of 28883897 is 79838882.

It is an interprime number because it is at equal distance from previous prime (28883891) and next prime (28883903).

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 28883897 - 2¹⁰ = 28882873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28883891) 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, 43568 + ... + 44225.

It is an arithmetic number, because the mean of its divisors is an integer number (4214112).

Almost surely, 2^28883897 is an apocalyptic number.

It is an amenable number.

28883897 is a deficient number, since it is larger than the sum of its proper divisors (4828999).

28883897 is an equidigital number, since it uses as much as digits as its factorization.

28883897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87847.

The product of its digits is 1548288, while the sum is 53.

The square root of 28883897 is about 5374.3741030933. The cubic root of 28883897 is about 306.8211282108.

The spelling of 28883897 in words is "twenty-eight million, eight hundred eighty-three thousand, eight hundred ninety-seven".