988803943 has 2 divisors, whose sum is σ = 988803944. Its totient is φ = 988803942.

The previous prime is 988803917. The next prime is 988803953. The reversal of 988803943 is 349308889.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988803943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988803953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494401971 + 494401972.

It is an arithmetic number, because the mean of its divisors is an integer number (494401972).

Almost surely, 2^988803943 is an apocalyptic number.

988803943 is a deficient number, since it is larger than the sum of its proper divisors (1).

988803943 is an equidigital number, since it uses as much as digits as its factorization.

988803943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 988803943 is about 31445.2531075837. The cubic root of 988803943 is about 996.2539657498.

The spelling of 988803943 in words is "nine hundred eighty-eight million, eight hundred three thousand, nine hundred forty-three".