32471989 has 8 divisors (see below), whose sum is σ = 37507968. Its totient is φ = 27783360.

The previous prime is 32471983. The next prime is 32472001. The reversal of 32471989 is 98917423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-32471989 is a prime.

It is a super-2 number, since 2×32471989² = 2108860139232242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32471983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86637 + ... + 87010.

It is an arithmetic number, because the mean of its divisors is an integer number (4688496).

Almost surely, 2^32471989 is an apocalyptic number.

It is an amenable number.

32471989 is a deficient number, since it is larger than the sum of its proper divisors (5035979).

32471989 is a wasteful number, since it uses less digits than its factorization.

32471989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173675.

The product of its digits is 108864, while the sum is 43.

The square root of 32471989 is about 5698.4198687004. The cubic root of 32471989 is about 319.0335063713.

The spelling of 32471989 in words is "thirty-two million, four hundred seventy-one thousand, nine hundred eighty-nine".