28897883 has 8 divisors (see below), whose sum is σ = 33085920. Its totient is φ = 24724800.

The previous prime is 28897877. The next prime is 28897919. The reversal of 28897883 is 38879882.

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 28897883 - 2¹⁴ = 28881499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28897873) 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, 773 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (4135740).

Almost surely, 2^28897883 is an apocalyptic number.

28897883 is a deficient number, since it is larger than the sum of its proper divisors (4188037).

28897883 is an equidigital number, since it uses as much as digits as its factorization.

28897883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477.

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

The square root of 28897883 is about 5375.6751203919. The cubic root of 28897883 is about 306.8706426267.

The spelling of 28897883 in words is "twenty-eight million, eight hundred ninety-seven thousand, eight hundred eighty-three".