32644493 has 4 divisors (see below), whose sum is σ = 37308000. Its totient is φ = 27980988.

The previous prime is 32644483. The next prime is 32644529. The reversal of 32644493 is 39444623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 32644493 - 2²⁴ = 15867277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32644453) 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, 2331743 + ... + 2331756.

It is an arithmetic number, because the mean of its divisors is an integer number (9327000).

Almost surely, 2^32644493 is an apocalyptic number.

It is an amenable number.

32644493 is a deficient number, since it is larger than the sum of its proper divisors (4663507).

32644493 is an equidigital number, since it uses as much as digits as its factorization.

32644493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663506.

The product of its digits is 62208, while the sum is 35.

The square root of 32644493 is about 5713.5359454544. The cubic root of 32644493 is about 319.5974528085.

The spelling of 32644493 in words is "thirty-two million, six hundred forty-four thousand, four hundred ninety-three".