32130198 has 48 divisors (see below), whose sum is σ = 72963072. Its totient is φ = 10206000.

The previous prime is 32130193. The next prime is 32130209. The reversal of 32130198 is 89103123.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39213 + ... + 40023.

It is an arithmetic number, because the mean of its divisors is an integer number (1520064).

Almost surely, 2^32130198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32130198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36481536).

32130198 is an abundant number, since it is smaller than the sum of its proper divisors (40832874).

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

32130198 is a wasteful number, since it uses less digits than its factorization.

32130198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 32130198 is about 5668.3505537325. The cubic root of 32130198 is about 317.9102036716.

The spelling of 32130198 in words is "thirty-two million, one hundred thirty thousand, one hundred ninety-eight".