32489689 has 4 divisors (see below), whose sum is σ = 33102756. Its totient is φ = 31876624.

The previous prime is 32489659. The next prime is 32489701. The reversal of 32489689 is 98698423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98698423 = 1447 ⋅68209.

It can be written as a sum of positive squares in 2 ways, for example, as 11256025 + 21233664 = 3355^2 + 4608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32489689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32489609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306454 + ... + 306559.

It is an arithmetic number, because the mean of its divisors is an integer number (8275689).

Almost surely, 2^32489689 is an apocalyptic number.

It is an amenable number.

32489689 is a deficient number, since it is larger than the sum of its proper divisors (613067).

32489689 is an equidigital number, since it uses as much as digits as its factorization.

32489689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613066.

The product of its digits is 746496, while the sum is 49.

The square root of 32489689 is about 5699.9727192330. The cubic root of 32489689 is about 319.0914626544.

The spelling of 32489689 in words is "thirty-two million, four hundred eighty-nine thousand, six hundred eighty-nine".