988042841 has 2 divisors, whose sum is σ = 988042842. Its totient is φ = 988042840.

The previous prime is 988042837. The next prime is 988042843. The reversal of 988042841 is 148240889.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 964723600 + 23319241 = 31060^2 + 4829^2 .

It is a cyclic number.

It is not a de Polignac number, because 988042841 - 2² = 988042837 is a prime.

Together with 988042843, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 988042792 and 988042801.

It is not a weakly prime, because it can be changed into another prime (988042843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494021420 + 494021421.

It is an arithmetic number, because the mean of its divisors is an integer number (494021421).

Almost surely, 2^988042841 is an apocalyptic number.

It is an amenable number.

988042841 is a deficient number, since it is larger than the sum of its proper divisors (1).

988042841 is an equidigital number, since it uses as much as digits as its factorization.

988042841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 988042841 is about 31433.1487605044. The cubic root of 988042841 is about 995.9982879951.

The spelling of 988042841 in words is "nine hundred eighty-eight million, forty-two thousand, eight hundred forty-one".