32195988 has 96 divisors (see below), whose sum is σ = 93421440. Its totient is φ = 9504000.

The previous prime is 32195981. The next prime is 32196007. The reversal of 32195988 is 88959123.

It is a happy number.

It is a super-2 number, since 2×32195988² = 2073163286592288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32195981) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 48378 + ... + 49038.

It is an arithmetic number, because the mean of its divisors is an integer number (973140).

Almost surely, 2^32195988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32195988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46710720).

32195988 is an abundant number, since it is smaller than the sum of its proper divisors (61225452).

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

32195988 is a wasteful number, since it uses less digits than its factorization.

32195988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 718 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 32195988 is about 5674.1508615827. The cubic root of 32195988 is about 318.1270407322.

The spelling of 32195988 in words is "thirty-two million, one hundred ninety-five thousand, nine hundred eighty-eight".