383728379 has 2 divisors, whose sum is σ = 383728380. Its totient is φ = 383728378.

The previous prime is 383728333. The next prime is 383728393. The reversal of 383728379 is 973827383.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 383728379 - 2²⁸ = 115292923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (383728679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191864189 + 191864190.

It is an arithmetic number, because the mean of its divisors is an integer number (191864190).

Almost surely, 2^383728379 is an apocalyptic number.

383728379 is a deficient number, since it is larger than the sum of its proper divisors (1).

383728379 is an equidigital number, since it uses as much as digits as its factorization.

383728379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The square root of 383728379 is about 19588.9861657004. The cubic root of 383728379 is about 726.6768188923.

The spelling of 383728379 in words is "three hundred eighty-three million, seven hundred twenty-eight thousand, three hundred seventy-nine".