988346839 has 2 divisors, whose sum is σ = 988346840. Its totient is φ = 988346838.

The previous prime is 988346783. The next prime is 988346857. The reversal of 988346839 is 938643889.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 988346839 - 2¹⁹ = 987822551 is a prime.

It is a super-2 number, since 2×988346839² = 1953658948322583842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (988346039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494173419 + 494173420.

It is an arithmetic number, because the mean of its divisors is an integer number (494173420).

Almost surely, 2^988346839 is an apocalyptic number.

988346839 is a deficient number, since it is larger than the sum of its proper divisors (1).

988346839 is an equidigital number, since it uses as much as digits as its factorization.

988346839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 58.

The square root of 988346839 is about 31437.9840161547. The cubic root of 988346839 is about 996.1004260898.

The spelling of 988346839 in words is "nine hundred eighty-eight million, three hundred forty-six thousand, eight hundred thirty-nine".