32420232 has 96 divisors (see below), whose sum is σ = 99590400. Its totient is φ = 9445248.

The previous prime is 32420191. The next prime is 32420243. The reversal of 32420232 is 23202423.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16873 + ... + 18695.

It is an arithmetic number, because the mean of its divisors is an integer number (1037400).

Almost surely, 2^32420232 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 32420232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49795200).

32420232 is an abundant number, since it is smaller than the sum of its proper divisors (67170168).

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

32420232 is a wasteful number, since it uses less digits than its factorization.

32420232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 32420232 is about 5693.8767109940. The cubic root of 32420232 is about 318.8639140714.

Adding to 32420232 its reverse (23202423), we get a palindrome (55622655).

The spelling of 32420232 in words is "thirty-two million, four hundred twenty thousand, two hundred thirty-two".