28330946 has 8 divisors (see below), whose sum is σ = 48567360. Its totient is φ = 12141828.

The previous prime is 28330943. The next prime is 28330949. The reversal of 28330946 is 64903382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28330943) and next prime (28330949).

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

It is not an unprimeable number, because it can be changed into a prime (28330943) 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 3 ways as a sum of consecutive naturals, for example, 1011806 + ... + 1011833.

It is an arithmetic number, because the mean of its divisors is an integer number (6070920).

Almost surely, 2^28330946 is an apocalyptic number.

28330946 is a deficient number, since it is larger than the sum of its proper divisors (20236414).

28330946 is a wasteful number, since it uses less digits than its factorization.

28330946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023648.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 28330946 is about 5322.6822185812. The cubic root of 28330946 is about 304.8505798610.

The spelling of 28330946 in words is "twenty-eight million, three hundred thirty thousand, nine hundred forty-six".