39693814 has 8 divisors (see below), whose sum is σ = 62129520. Its totient is φ = 18983976.

The previous prime is 39693809. The next prime is 39693817. The reversal of 39693814 is 41839693.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39693817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431409 + ... + 431500.

It is an arithmetic number, because the mean of its divisors is an integer number (7766190).

Almost surely, 2^39693814 is an apocalyptic number.

39693814 is a deficient number, since it is larger than the sum of its proper divisors (22435706).

39693814 is a wasteful number, since it uses less digits than its factorization.

39693814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862934.

The product of its digits is 139968, while the sum is 43.

The square root of 39693814 is about 6300.3026911411. The cubic root of 39693814 is about 341.1203354649.

The spelling of 39693814 in words is "thirty-nine million, six hundred ninety-three thousand, eight hundred fourteen".