38308979 has 2 divisors, whose sum is σ = 38308980. Its totient is φ = 38308978.

The previous prime is 38308967. The next prime is 38308981. The reversal of 38308979 is 97980383.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38308979 - 2¹² = 38304883 is a prime.

Together with 38308981, 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 (38308909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19154489 + 19154490.

It is an arithmetic number, because the mean of its divisors is an integer number (19154490).

Almost surely, 2^38308979 is an apocalyptic number.

38308979 is a deficient number, since it is larger than the sum of its proper divisors (1).

38308979 is an equidigital number, since it uses as much as digits as its factorization.

38308979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 38308979 is about 6189.4247713338. The cubic root of 38308979 is about 337.1062924344.

The spelling of 38308979 in words is "thirty-eight million, three hundred eight thousand, nine hundred seventy-nine".