39904334 has 8 divisors (see below), whose sum is σ = 59914080. Its totient is φ = 19932976.

The previous prime is 39904331. The next prime is 39904339. The reversal of 39904334 is 43340993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 39904294 and 39904303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39904331) 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, 6839 + ... + 11250.

It is an arithmetic number, because the mean of its divisors is an integer number (7489260).

Almost surely, 2^39904334 is an apocalyptic number.

39904334 is a deficient number, since it is larger than the sum of its proper divisors (20009746).

39904334 is a wasteful number, since it uses less digits than its factorization.

39904334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19194.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 39904334 is about 6316.9877315062. The cubic root of 39904334 is about 341.7223274247.

The spelling of 39904334 in words is "thirty-nine million, nine hundred four thousand, three hundred thirty-four".