32440001 has 8 divisors (see below), whose sum is σ = 35755104. Its totient is φ = 29185920.

The previous prime is 32439997. The next prime is 32440003. The reversal of 32440001 is 10004423.

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 32440001 - 2² = 32439997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32440003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14135 + ... + 16268.

It is an arithmetic number, because the mean of its divisors is an integer number (4469388).

Almost surely, 2^32440001 is an apocalyptic number.

It is an amenable number.

32440001 is a deficient number, since it is larger than the sum of its proper divisors (3315103).

32440001 is a wasteful number, since it uses less digits than its factorization.

32440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30511.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 32440001 is about 5695.6124341461. The cubic root of 32440001 is about 318.9287124962.

Adding to 32440001 its reverse (10004423), we get a palindrome (42444424).

The spelling of 32440001 in words is "thirty-two million, four hundred forty thousand, one".