32640089 has 8 divisors (see below), whose sum is σ = 33000000. Its totient is φ = 32282352.

The previous prime is 32640077. The next prime is 32640107. The reversal of 32640089 is 98004623.

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

It is a cyclic number.

It is not a de Polignac number, because 32640089 - 2²⁰ = 31591513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32640989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65162 + ... + 65660.

It is an arithmetic number, because the mean of its divisors is an integer number (4125000).

Almost surely, 2^32640089 is an apocalyptic number.

It is an amenable number.

32640089 is a deficient number, since it is larger than the sum of its proper divisors (359911).

32640089 is a wasteful number, since it uses less digits than its factorization.

32640089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

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

The square root of 32640089 is about 5713.1505318869. The cubic root of 32640089 is about 319.5830800884.

The spelling of 32640089 in words is "thirty-two million, six hundred forty thousand, eighty-nine".