1000989239 has 2 divisors, whose sum is σ = 1000989240. Its totient is φ = 1000989238.

The previous prime is 1000989229. The next prime is 1000989251. The reversal of 1000989239 is 9329890001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000989239 - 2⁸ = 1000988983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000989196 and 1000989205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000989229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500494619 + 500494620.

It is an arithmetic number, because the mean of its divisors is an integer number (500494620).

Almost surely, 2^1000989239 is an apocalyptic number.

1000989239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000989239 is an equidigital number, since it uses as much as digits as its factorization.

1000989239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 1000989239 is about 31638.4139773156. The cubic root of 1000989239 is about 1000.3296376604.

The spelling of 1000989239 in words is "one billion, nine hundred eighty-nine thousand, two hundred thirty-nine".