28608379 has 2 divisors, whose sum is σ = 28608380. Its totient is φ = 28608378.

The previous prime is 28608347. The next prime is 28608403. The reversal of 28608379 is 97380682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28608379 - 2⁵ = 28608347 is a prime.

It is not a weakly prime, because it can be changed into another prime (28608079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14304189 + 14304190.

It is an arithmetic number, because the mean of its divisors is an integer number (14304190).

Almost surely, 2^28608379 is an apocalyptic number.

28608379 is a deficient number, since it is larger than the sum of its proper divisors (1).

28608379 is an equidigital number, since it uses as much as digits as its factorization.

28608379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 28608379 is about 5348.6801175617. The cubic root of 28608379 is about 305.8424402812.

The spelling of 28608379 in words is "twenty-eight million, six hundred eight thousand, three hundred seventy-nine".