32426643 has 8 divisors (see below), whose sum is σ = 43462656. Its totient is φ = 21504200.

The previous prime is 32426627. The next prime is 32426657. The reversal of 32426643 is 34662423.

It is a happy number.

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 32426643 - 2⁴ = 32426627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32426643.

It is not an unprimeable number, because it can be changed into a prime (32426143) 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, 27723 + ... + 28868.

It is an arithmetic number, because the mean of its divisors is an integer number (5432832).

Almost surely, 2^32426643 is an apocalyptic number.

32426643 is a deficient number, since it is larger than the sum of its proper divisors (11036013).

32426643 is a wasteful number, since it uses less digits than its factorization.

32426643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56785.

The product of its digits is 20736, while the sum is 30.

The square root of 32426643 is about 5694.4396563666. The cubic root of 32426643 is about 318.8849308018.

The spelling of 32426643 in words is "thirty-two million, four hundred twenty-six thousand, six hundred forty-three".