98981898 has 16 divisors (see below), whose sum is σ = 199717056. Its totient is φ = 32701760.

The previous prime is 98981893. The next prime is 98981921. The reversal of 98981898 is 89818989.

It is a super-2 number, since 2×98981898² = 19594832263364808, 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 (98981893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72318 + ... + 73673.

It is an arithmetic number, because the mean of its divisors is an integer number (12482316).

Almost surely, 2^98981898 is an apocalyptic number.

98981898 is an abundant number, since it is smaller than the sum of its proper divisors (100735158).

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

98981898 is a wasteful number, since it uses less digits than its factorization.

98981898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146109.

The product of its digits is 2985984, while the sum is 60.

The square root of 98981898 is about 9948.9646697533. The cubic root of 98981898 is about 462.5783035670.

The spelling of 98981898 in words is "ninety-eight million, nine hundred eighty-one thousand, eight hundred ninety-eight".