108597220 has 48 divisors (see below), whose sum is σ = 236699568. Its totient is φ = 41817600.

The previous prime is 108597211. The next prime is 108597221. The reversal of 108597220 is 22795801.

It can be written as a sum of positive squares in 8 ways, for example, as 51926436 + 56670784 = 7206^2 + 7528^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (108597221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74014 + ... + 75466.

It is an arithmetic number, because the mean of its divisors is an integer number (4931241).

Almost surely, 2^108597220 is an apocalyptic number.

108597220 is a gapful number since it is divisible by the number (10) 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 108597220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118349784).

108597220 is an abundant number, since it is smaller than the sum of its proper divisors (128102348).

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

108597220 is a wasteful number, since it uses less digits than its factorization.

108597220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 108597220 is about 10420.9989924191. The cubic root of 108597220 is about 477.0965058984.

The spelling of 108597220 in words is "one hundred eight million, five hundred ninety-seven thousand, two hundred twenty".