32423928 has 64 divisors (see below), whose sum is σ = 85363200. Its totient is φ = 10243200.

The previous prime is 32423921. The next prime is 32423939. The reversal of 32423928 is 82932423.

It is a super-2 number, since 2×32423928² = 2102622213898368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32423921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83158 + ... + 83546.

It is an arithmetic number, because the mean of its divisors is an integer number (1333800).

Almost surely, 2^32423928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32423928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42681600).

32423928 is an abundant number, since it is smaller than the sum of its proper divisors (52939272).

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

32423928 is a wasteful number, since it uses less digits than its factorization.

32423928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 568 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 32423928 is about 5694.2012609320. The cubic root of 32423928 is about 318.8760307465.

The spelling of 32423928 in words is "thirty-two million, four hundred twenty-three thousand, nine hundred twenty-eight".