39494005 has 4 divisors (see below), whose sum is σ = 47392812. Its totient is φ = 31595200.

The previous prime is 39493981. The next prime is 39494047. The reversal of 39494005 is 50049493.

39494005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9998244 + 29495761 = 3162^2 + 5431^2 .

It is not a de Polignac number, because 39494005 - 2¹¹ = 39491957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3949396 + ... + 3949405.

It is an arithmetic number, because the mean of its divisors is an integer number (11848203).

Almost surely, 2^39494005 is an apocalyptic number.

It is an amenable number.

39494005 is a deficient number, since it is larger than the sum of its proper divisors (7898807).

39494005 is an equidigital number, since it uses as much as digits as its factorization.

39494005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7898806.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 39494005 is about 6284.4255902986. The cubic root of 39494005 is about 340.5470001240.

The spelling of 39494005 in words is "thirty-nine million, four hundred ninety-four thousand, five".