39394137 has 8 divisors (see below), whose sum is σ = 53265600. Its totient is φ = 25892720.

The previous prime is 39394133. The next prime is 39394169. The reversal of 39394137 is 73149393.

39394137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 39394137 - 2² = 39394133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39394095 and 39394104.

It is not an unprimeable number, because it can be changed into a prime (39394133) 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, 92262 + ... + 92687.

It is an arithmetic number, because the mean of its divisors is an integer number (6658200).

Almost surely, 2^39394137 is an apocalyptic number.

It is an amenable number.

39394137 is a deficient number, since it is larger than the sum of its proper divisors (13871463).

39394137 is a wasteful number, since it uses less digits than its factorization.

39394137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185023.

The product of its digits is 61236, while the sum is 39.

The square root of 39394137 is about 6276.4748864311. The cubic root of 39394137 is about 340.2597121772.

The spelling of 39394137 in words is "thirty-nine million, three hundred ninety-four thousand, one hundred thirty-seven".