32138197 has 16 divisors (see below), whose sum is σ = 39795840. Its totient is φ = 25273152.

The previous prime is 32138191. The next prime is 32138201. The reversal of 32138197 is 79183123.

It is a cyclic number.

It is not a de Polignac number, because 32138197 - 2³ = 32138189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32138191) 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, 15303 + ... + 17275.

It is an arithmetic number, because the mean of its divisors is an integer number (2487240).

Almost surely, 2^32138197 is an apocalyptic number.

It is an amenable number.

32138197 is a deficient number, since it is larger than the sum of its proper divisors (7657643).

32138197 is a wasteful number, since it uses less digits than its factorization.

32138197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its digits is 9072, while the sum is 34.

The square root of 32138197 is about 5669.0560942718. The cubic root of 32138197 is about 317.9365833484.

The spelling of 32138197 in words is "thirty-two million, one hundred thirty-eight thousand, one hundred ninety-seven".