39997382 has 4 divisors (see below), whose sum is σ = 59996076. Its totient is φ = 19998690.

The previous prime is 39997381. The next prime is 39997387. The reversal of 39997382 is 28379993.

39997382 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 is a self number, because there is not a number n which added to its sum of digits gives 39997382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39997381) 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 as a sum of consecutive naturals, namely, 9999344 + ... + 9999347.

It is an arithmetic number, because the mean of its divisors is an integer number (14999019).

Almost surely, 2^39997382 is an apocalyptic number.

39997382 is a deficient number, since it is larger than the sum of its proper divisors (19998694).

39997382 is a wasteful number, since it uses less digits than its factorization.

39997382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19998693.

The product of its digits is 734832, while the sum is 50.

The square root of 39997382 is about 6324.3483458772. The cubic root of 39997382 is about 341.9877279775.

The spelling of 39997382 in words is "thirty-nine million, nine hundred ninety-seven thousand, three hundred eighty-two".