28649179 has 8 divisors (see below), whose sum is σ = 31510080. Its totient is φ = 25882176.

The previous prime is 28649167. The next prime is 28649183. The reversal of 28649179 is 97194682.

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 28649179 - 2⁵ = 28649147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28649149) 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, 22834 + ... + 24055.

It is an arithmetic number, because the mean of its divisors is an integer number (3938760).

Almost surely, 2^28649179 is an apocalyptic number.

28649179 is a deficient number, since it is larger than the sum of its proper divisors (2860901).

28649179 is a wasteful number, since it uses less digits than its factorization.

28649179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46949.

The product of its digits is 217728, while the sum is 46.

The square root of 28649179 is about 5352.4927837410. The cubic root of 28649179 is about 305.9877641881.

The spelling of 28649179 in words is "twenty-eight million, six hundred forty-nine thousand, one hundred seventy-nine".