32428679 has 4 divisors (see below), whose sum is σ = 32469000. Its totient is φ = 32388360.

The previous prime is 32428661. The next prime is 32428691. The reversal of 32428679 is 97682423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97682423 = 251 ⋅389173.

It is a cyclic number.

It is not a de Polignac number, because 32428679 - 2⁸ = 32428423 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 (32428619) 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, 18929 + ... + 20570.

It is an arithmetic number, because the mean of its divisors is an integer number (8117250).

Almost surely, 2^32428679 is an apocalyptic number.

32428679 is a deficient number, since it is larger than the sum of its proper divisors (40321).

32428679 is an equidigital number, since it uses as much as digits as its factorization.

32428679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40320.

The product of its digits is 145152, while the sum is 41.

The square root of 32428679 is about 5694.6184244425. The cubic root of 32428679 is about 318.8916046978.

The spelling of 32428679 in words is "thirty-two million, four hundred twenty-eight thousand, six hundred seventy-nine".