32006489 has 4 divisors (see below), whose sum is σ = 32039220. Its totient is φ = 31973760.

The previous prime is 32006479. The next prime is 32006551. The reversal of 32006489 is 98460023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98460023 = 9239 ⋅10657.

It can be written as a sum of positive squares in 2 ways, for example, as 4338889 + 27667600 = 2083^2 + 5260^2 .

It is a cyclic number.

It is not a de Polignac number, because 32006489 - 2²⁴ = 15229273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32006419) 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, 14852 + ... + 16869.

It is an arithmetic number, because the mean of its divisors is an integer number (8009805).

Almost surely, 2^32006489 is an apocalyptic number.

It is an amenable number.

32006489 is a deficient number, since it is larger than the sum of its proper divisors (32731).

32006489 is a wasteful number, since it uses less digits than its factorization.

32006489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32730.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 32006489 is about 5657.4277724068. The cubic root of 32006489 is about 317.5016686212.

The spelling of 32006489 in words is "thirty-two million, six thousand, four hundred eighty-nine".