98841397 has 2 divisors, whose sum is σ = 98841398. Its totient is φ = 98841396.

The previous prime is 98841389. The next prime is 98841409. The reversal of 98841397 is 79314889.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88849476 + 9991921 = 9426^2 + 3161^2 .

It is an emirp because it is prime and its reverse (79314889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98841397 - 2³ = 98841389 is a prime.

It is a super-3 number, since 3×98841397³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98841397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98841307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49420698 + 49420699.

It is an arithmetic number, because the mean of its divisors is an integer number (49420699).

Almost surely, 2^98841397 is an apocalyptic number.

It is an amenable number.

98841397 is a deficient number, since it is larger than the sum of its proper divisors (1).

98841397 is an equidigital number, since it uses as much as digits as its factorization.

98841397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 98841397 is about 9941.9010757500. The cubic root of 98841397 is about 462.3593292179.

The spelling of 98841397 in words is "ninety-eight million, eight hundred forty-one thousand, three hundred ninety-seven".