98989810 has 48 divisors (see below), whose sum is σ = 199238616. Its totient is φ = 35283456.

The previous prime is 98989801. The next prime is 98989819. The reversal of 98989810 is 1898989.

It is an interprime number because it is at equal distance from previous prime (98989801) and next prime (98989819).

It can be written as a sum of positive squares in 4 ways, for example, as 92794689 + 6195121 = 9633^2 + 2489^2 .

It is a super-2 number, since 2×98989810² = 19597964967672200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (98989819) 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 23 ways as a sum of consecutive naturals, for example, 60564 + ... + 62176.

Almost surely, 2^98989810 is an apocalyptic number.

98989810 is an abundant number, since it is smaller than the sum of its proper divisors (100248806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98989810 is a wasteful number, since it uses less digits than its factorization.

98989810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 52.

The square root of 98989810 is about 9949.3622911220. The cubic root of 98989810 is about 462.5906284537.

It can be divided in two parts, 98989 and 810, that added together give a palindrome (99799).

The spelling of 98989810 in words is "ninety-eight million, nine hundred eighty-nine thousand, eight hundred ten".