109898208 has 168 divisors, whose sum is σ = 371287728. Its totient is φ = 31352832.

The previous prime is 109898167. The next prime is 109898213. The reversal of 109898208 is 802898901.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×109898208² = 24155232243222528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 162960 + ... + 163632.

It is an arithmetic number, because the mean of its divisors is an integer number (2210046).

Almost surely, 2^109898208 is an apocalyptic number.

109898208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109898208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185643864).

109898208 is an abundant number, since it is smaller than the sum of its proper divisors (261389520).

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

109898208 is an frugal number, since it uses more digits than its factorization.

109898208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 109898208 is about 10483.2346153275. The cubic root of 109898208 is about 478.9941436662.

The spelling of 109898208 in words is "one hundred nine million, eight hundred ninety-eight thousand, two hundred eight".