39913332 has 12 divisors (see below), whose sum is σ = 93131136. Its totient is φ = 13304440.

The previous prime is 39913327. The next prime is 39913333. The reversal of 39913332 is 23331993.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 39913293 and 39913302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39913333) by changing a digit.

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, 1663044 + ... + 1663067.

It is an arithmetic number, because the mean of its divisors is an integer number (7760928).

Almost surely, 2^39913332 is an apocalyptic number.

It is an amenable number.

39913332 is an abundant number, since it is smaller than the sum of its proper divisors (53217804).

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

39913332 is a wasteful number, since it uses less digits than its factorization.

39913332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326118 (or 3326116 counting only the distinct ones).

The product of its digits is 13122, while the sum is 33.

The square root of 39913332 is about 6317.6998979059. The cubic root of 39913332 is about 341.7480104028.

It can be divided in two parts, 399 and 13332, that added together give a palindrome (13731).

The spelling of 39913332 in words is "thirty-nine million, nine hundred thirteen thousand, three hundred thirty-two".