1000384739 has 2 divisors, whose sum is σ = 1000384740. Its totient is φ = 1000384738.

The previous prime is 1000384727. The next prime is 1000384753. The reversal of 1000384739 is 9374830001.

1000384739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000384739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000384699 and 1000384708.

It is not a weakly prime, because it can be changed into another prime (1000384709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500192369 + 500192370.

It is an arithmetic number, because the mean of its divisors is an integer number (500192370).

Almost surely, 2^1000384739 is an apocalyptic number.

1000384739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000384739 is an equidigital number, since it uses as much as digits as its factorization.

1000384739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 1000384739 is about 31628.8592744032. The cubic root of 1000384739 is about 1000.1282298897.

The spelling of 1000384739 in words is "one billion, three hundred eighty-four thousand, seven hundred thirty-nine".