32421116 has 24 divisors (see below), whose sum is σ = 69830880. Its totient is φ = 12825792.

The previous prime is 32421083. The next prime is 32421121. The reversal of 32421116 is 61112423.

It is a super-2 number, since 2×32421116² = 2102257525370912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44171 + ... + 44898.

It is an arithmetic number, because the mean of its divisors is an integer number (2909620).

Almost surely, 2^32421116 is an apocalyptic number.

It is an amenable number.

32421116 is an abundant number, since it is smaller than the sum of its proper divisors (37409764).

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

32421116 is a wasteful number, since it uses less digits than its factorization.

32421116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89093 (or 89091 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 32421116 is about 5693.9543377165. The cubic root of 32421116 is about 318.8668121911.

Adding to 32421116 its reverse (61112423), we get a palindrome (93533539).

The spelling of 32421116 in words is "thirty-two million, four hundred twenty-one thousand, one hundred sixteen".