28333479 has 8 divisors (see below), whose sum is σ = 37926000. Its totient is φ = 18814976.

The previous prime is 28333477. The next prime is 28333523. The reversal of 28333479 is 97433382.

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 28333479 - 2¹ = 28333477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28333471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17604 + ... + 19145.

It is an arithmetic number, because the mean of its divisors is an integer number (4740750).

Almost surely, 2^28333479 is an apocalyptic number.

28333479 is a deficient number, since it is larger than the sum of its proper divisors (9592521).

28333479 is a wasteful number, since it uses less digits than its factorization.

28333479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37009.

The product of its digits is 108864, while the sum is 39.

The square root of 28333479 is about 5322.9201572069. The cubic root of 28333479 is about 304.8596649030.

The spelling of 28333479 in words is "twenty-eight million, three hundred thirty-three thousand, four hundred seventy-nine".