39423312 has 30 divisors (see below), whose sum is σ = 110330922. Its totient is φ = 13141056.

The previous prime is 39423281. The next prime is 39423313. The reversal of 39423312 is 21332493.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30206016 + 9217296 = 5496^2 + 3036^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39423313) 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 5 ways as a sum of consecutive naturals, for example, 136743 + ... + 137030.

Almost surely, 2^39423312 is an apocalyptic number.

It is an amenable number.

39423312 is an abundant number, since it is smaller than the sum of its proper divisors (70907610).

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

39423312 is a wasteful number, since it uses less digits than its factorization.

39423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273787 (or 273778 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 39423312 is about 6278.7986111994. The cubic root of 39423312 is about 340.3436893730.

The spelling of 39423312 in words is "thirty-nine million, four hundred twenty-three thousand, three hundred twelve".