98811969 has 16 divisors (see below), whose sum is σ = 133496832. Its totient is φ = 65006928.

The previous prime is 98811953. The next prime is 98812003. The reversal of 98811969 is 96911889.

It is a happy number.

It is not a de Polignac number, because 98811969 - 2⁴ = 98811953 is a prime.

It is a super-2 number, since 2×98811969² = 19527610435313922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98811919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84382 + ... + 85544.

It is an arithmetic number, because the mean of its divisors is an integer number (8343552).

Almost surely, 2^98811969 is an apocalyptic number.

It is an amenable number.

98811969 is a deficient number, since it is larger than the sum of its proper divisors (34684863).

98811969 is a wasteful number, since it uses less digits than its factorization.

98811969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its digits is 279936, while the sum is 51.

The square root of 98811969 is about 9940.4209669410. The cubic root of 98811969 is about 462.3134386589.

The spelling of 98811969 in words is "ninety-eight million, eight hundred eleven thousand, nine hundred sixty-nine".