28832479 has 8 divisors (see below), whose sum is σ = 31711680. Its totient is φ = 26047776.

The previous prime is 28832423. The next prime is 28832491. The reversal of 28832479 is 97423882.

It is a happy number.

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

It is not a de Polignac number, because 28832479 - 2¹⁵ = 28799711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28832779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22984 + ... + 24205.

It is an arithmetic number, because the mean of its divisors is an integer number (3963960).

Almost surely, 2^28832479 is an apocalyptic number.

28832479 is a deficient number, since it is larger than the sum of its proper divisors (2879201).

28832479 is a wasteful number, since it uses less digits than its factorization.

28832479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47249.

The product of its digits is 193536, while the sum is 43.

The square root of 28832479 is about 5369.5883454879. The cubic root of 28832479 is about 306.6389563546.

The spelling of 28832479 in words is "twenty-eight million, eight hundred thirty-two thousand, four hundred seventy-nine".