32197132 has 18 divisors (see below), whose sum is σ = 61933844. Its totient is φ = 14634840.

The previous prime is 32197091. The next prime is 32197147. The reversal of 32197132 is 23179123.

It is a self number, because there is not a number n which added to its sum of digits gives 32197132.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32778 + ... + 33745.

Almost surely, 2^32197132 is an apocalyptic number.

It is an amenable number.

32197132 is a deficient number, since it is larger than the sum of its proper divisors (29736712).

32197132 is a wasteful number, since it uses less digits than its factorization.

32197132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66549 (or 66536 counting only the distinct ones).

The product of its digits is 2268, while the sum is 28.

The square root of 32197132 is about 5674.2516687225. The cubic root of 32197132 is about 318.1308086243.

Subtracting from 32197132 its reverse (23179123), we obtain a square (9018009 = 3003²).

It can be divided in two parts, 321971 and 32, that added together give a triangular number (322003 = T₈₀₂).

The spelling of 32197132 in words is "thirty-two million, one hundred ninety-seven thousand, one hundred thirty-two".