98889401 has 4 divisors (see below), whose sum is σ = 106496292. Its totient is φ = 91282512.

The previous prime is 98889383. The next prime is 98889431. The reversal of 98889401 is 10498889.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51265600 + 47623801 = 7160^2 + 6901^2 .

It is a cyclic number.

It is not a de Polignac number, because 98889401 - 2⁶ = 98889337 is a prime.

It is a super-2 number, since 2×98889401² = 19558227260277602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98889431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3803426 + ... + 3803451.

It is an arithmetic number, because the mean of its divisors is an integer number (26624073).

Almost surely, 2^98889401 is an apocalyptic number.

It is an amenable number.

98889401 is a deficient number, since it is larger than the sum of its proper divisors (7606891).

98889401 is a wasteful number, since it uses less digits than its factorization.

98889401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606890.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 98889401 is about 9944.3150090894. The cubic root of 98889401 is about 462.4341679857.

The spelling of 98889401 in words is "ninety-eight million, eight hundred eighty-nine thousand, four hundred one".