32243997 has 8 divisors (see below), whose sum is σ = 43040160. Its totient is φ = 21471920.

The previous prime is 32243987. The next prime is 32244001. The reversal of 32243997 is 79934223.

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 32243997 - 2¹⁸ = 31981853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32243957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2622 + ... + 8447.

It is an arithmetic number, because the mean of its divisors is an integer number (5380020).

Almost surely, 2^32243997 is an apocalyptic number.

It is an amenable number.

32243997 is a deficient number, since it is larger than the sum of its proper divisors (10796163).

32243997 is a wasteful number, since it uses less digits than its factorization.

32243997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12043.

The product of its digits is 81648, while the sum is 39.

The square root of 32243997 is about 5678.3797865236. The cubic root of 32243997 is about 318.2850870905.

The spelling of 32243997 in words is "thirty-two million, two hundred forty-three thousand, nine hundred ninety-seven".