988341281 has 2 divisors, whose sum is σ = 988341282. Its totient is φ = 988341280.

The previous prime is 988341251. The next prime is 988341293. The reversal of 988341281 is 182143889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 843379681 + 144961600 = 29041^2 + 12040^2 .

It is a cyclic number.

It is not a de Polignac number, because 988341281 - 2⁶ = 988341217 is a prime.

It is a super-2 number, since 2×988341281² = 1953636975457441922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (988341251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494170640 + 494170641.

It is an arithmetic number, because the mean of its divisors is an integer number (494170641).

Almost surely, 2^988341281 is an apocalyptic number.

It is an amenable number.

988341281 is a deficient number, since it is larger than the sum of its proper divisors (1).

988341281 is an equidigital number, since it uses as much as digits as its factorization.

988341281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 44.

The square root of 988341281 is about 31437.8956197771. The cubic root of 988341281 is about 996.0985588855.

The spelling of 988341281 in words is "nine hundred eighty-eight million, three hundred forty-one thousand, two hundred eighty-one".