1002988939 has 2 divisors, whose sum is σ = 1002988940. Its totient is φ = 1002988938.

The previous prime is 1002988879. The next prime is 1002988949. The reversal of 1002988939 is 9398892001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002988939 - 2¹¹ = 1002986891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002988892 and 1002988901.

It is not a weakly prime, because it can be changed into another prime (1002988949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501494469 + 501494470.

It is an arithmetic number, because the mean of its divisors is an integer number (501494470).

Almost surely, 2^1002988939 is an apocalyptic number.

1002988939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002988939 is an equidigital number, since it uses as much as digits as its factorization.

1002988939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 1002988939 is about 31670.0006157247. Note that the first 3 decimals coincide. The cubic root of 1002988939 is about 1000.9953220054.

The spelling of 1002988939 in words is "one billion, two million, nine hundred eighty-eight thousand, nine hundred thirty-nine".