383481907 has 2 divisors, whose sum is σ = 383481908. Its totient is φ = 383481906.

The previous prime is 383481841. The next prime is 383481919. The reversal of 383481907 is 709184383.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 383481907 - 2¹⁵ = 383449139 is a prime.

It is not a weakly prime, because it can be changed into another prime (383481407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191740953 + 191740954.

It is an arithmetic number, because the mean of its divisors is an integer number (191740954).

Almost surely, 2^383481907 is an apocalyptic number.

383481907 is a deficient number, since it is larger than the sum of its proper divisors (1).

383481907 is an equidigital number, since it uses as much as digits as its factorization.

383481907 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 383481907 is about 19582.6940689988. The cubic root of 383481907 is about 726.5212020034.

The spelling of 383481907 in words is "three hundred eighty-three million, four hundred eighty-one thousand, nine hundred seven".