32481332 has 24 divisors (see below), whose sum is σ = 62135136. Its totient is φ = 14766048.

The previous prime is 32481331. The next prime is 32481343. The reversal of 32481332 is 23318423.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32481331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1178 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (2588964).

Almost surely, 2^32481332 is an apocalyptic number.

It is an amenable number.

32481332 is a deficient number, since it is larger than the sum of its proper divisors (29653804).

32481332 is a wasteful number, since it uses less digits than its factorization.

32481332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407 (or 9405 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 32481332 is about 5699.2395984026. The cubic root of 32481332 is about 319.0641013991.

Adding to 32481332 its reverse (23318423), we get a palindrome (55799755).

The spelling of 32481332 in words is "thirty-two million, four hundred eighty-one thousand, three hundred thirty-two".