28936379 has 2 divisors, whose sum is σ = 28936380. Its totient is φ = 28936378.

The previous prime is 28936337. The next prime is 28936381. The reversal of 28936379 is 97363982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28936379 - 2⁸ = 28936123 is a prime.

Together with 28936381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28986379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14468189 + 14468190.

It is an arithmetic number, because the mean of its divisors is an integer number (14468190).

Almost surely, 2^28936379 is an apocalyptic number.

28936379 is a deficient number, since it is larger than the sum of its proper divisors (1).

28936379 is an equidigital number, since it uses as much as digits as its factorization.

28936379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 28936379 is about 5379.2545022521. The cubic root of 28936379 is about 307.0068469580.

The spelling of 28936379 in words is "twenty-eight million, nine hundred thirty-six thousand, three hundred seventy-nine".