28885346 has 16 divisors (see below), whose sum is σ = 52430976. Its totient is φ = 11651136.

The previous prime is 28885343. The next prime is 28885349. The reversal of 28885346 is 64358882.

It is an interprime number because it is at equal distance from previous prime (28885343) and next prime (28885349).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28885297 and 28885306.

It is not an unprimeable number, because it can be changed into a prime (28885343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60446 + ... + 60921.

It is an arithmetic number, because the mean of its divisors is an integer number (3276936).

Almost surely, 2^28885346 is an apocalyptic number.

28885346 is a deficient number, since it is larger than the sum of its proper divisors (23545630).

28885346 is a wasteful number, since it uses less digits than its factorization.

28885346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121393.

The product of its digits is 368640, while the sum is 44.

The square root of 28885346 is about 5374.5089077980. The cubic root of 28885346 is about 306.8262588248.

The spelling of 28885346 in words is "twenty-eight million, eight hundred eighty-five thousand, three hundred forty-six".