988613401 has 2 divisors, whose sum is σ = 988613402. Its totient is φ = 988613400.

The previous prime is 988613389. The next prime is 988613441. The reversal of 988613401 is 104316889.

It is an a-pointer prime, because the next prime (988613441) can be obtained adding 988613401 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969699600 + 18913801 = 31140^2 + 4349^2 .

It is an emirp because it is prime and its reverse (104316889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 988613401 - 2¹³ = 988605209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (988613441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494306700 + 494306701.

It is an arithmetic number, because the mean of its divisors is an integer number (494306701).

Almost surely, 2^988613401 is an apocalyptic number.

It is an amenable number.

988613401 is a deficient number, since it is larger than the sum of its proper divisors (1).

988613401 is an equidigital number, since it uses as much as digits as its factorization.

988613401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 988613401 is about 31442.2232197407. The cubic root of 988613401 is about 996.1899691004.

The spelling of 988613401 in words is "nine hundred eighty-eight million, six hundred thirteen thousand, four hundred one".