32643424 has 24 divisors (see below), whose sum is σ = 70109928. Its totient is φ = 14837760.

The previous prime is 32643379. The next prime is 32643431. The reversal of 32643424 is 42434623.

It is a junction number, because it is equal to n+sod(n) for n = 32643392 and 32643401.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 46017 + ... + 46720.

It is an arithmetic number, because the mean of its divisors is an integer number (2921247).

Almost surely, 2^32643424 is an apocalyptic number.

It is an amenable number.

32643424 is an abundant number, since it is smaller than the sum of its proper divisors (37466504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32643424 is a wasteful number, since it uses less digits than its factorization.

32643424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92758 (or 92750 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 32643424 is about 5713.4423949139. The cubic root of 32643424 is about 319.5939641812.

The spelling of 32643424 in words is "thirty-two million, six hundred forty-three thousand, four hundred twenty-four".