39329993 has 16 divisors (see below), whose sum is σ = 42996096. Its totient is φ = 35831040.

The previous prime is 39329987. The next prime is 39330007. The reversal of 39329993 is 39992393.

It is not a de Polignac number, because 39329993 - 2¹⁴ = 39313609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39329903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126308 + ... + 126618.

It is an arithmetic number, because the mean of its divisors is an integer number (2687256).

Almost surely, 2^39329993 is an apocalyptic number.

It is an amenable number.

39329993 is a deficient number, since it is larger than the sum of its proper divisors (3666103).

39329993 is a wasteful number, since it uses less digits than its factorization.

39329993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its digits is 354294, while the sum is 47.

The square root of 39329993 is about 6271.3629300177. The cubic root of 39329993 is about 340.0749344640.

The spelling of 39329993 in words is "thirty-nine million, three hundred twenty-nine thousand, nine hundred ninety-three".