387989083 has 2 divisors, whose sum is σ = 387989084. Its totient is φ = 387989082.

The previous prime is 387989071. The next prime is 387989137. The reversal of 387989083 is 380989783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 387989083 - 2⁵ = 387989051 is a prime.

It is not a weakly prime, because it can be changed into another prime (387986083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193994541 + 193994542.

It is an arithmetic number, because the mean of its divisors is an integer number (193994542).

Almost surely, 2^387989083 is an apocalyptic number.

387989083 is a deficient number, since it is larger than the sum of its proper divisors (1).

387989083 is an equidigital number, since it uses as much as digits as its factorization.

387989083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 387989083 is about 19697.4384882908. The cubic root of 387989083 is about 729.3564623120.

The spelling of 387989083 in words is "three hundred eighty-seven million, nine hundred eighty-nine thousand, eighty-three".