39838242 has 32 divisors (see below), whose sum is σ = 85567104. Its totient is φ = 12320000.

The previous prime is 39838241. The next prime is 39838243. The reversal of 39838242 is 24283893.

39838242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39838241) and next prime (39838243).

It is a self number, because there is not a number n which added to its sum of digits gives 39838242.

It is not an unprimeable number, because it can be changed into a prime (39838241) 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 15 ways as a sum of consecutive naturals, for example, 4492 + ... + 9992.

It is an arithmetic number, because the mean of its divisors is an integer number (2673972).

Almost surely, 2^39838242 is an apocalyptic number.

39838242 is an abundant number, since it is smaller than the sum of its proper divisors (45728862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39838242 is a wasteful number, since it uses less digits than its factorization.

39838242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594.

The product of its digits is 82944, while the sum is 39.

The square root of 39838242 is about 6311.7542727834. The cubic root of 39838242 is about 341.5335626947.

The spelling of 39838242 in words is "thirty-nine million, eight hundred thirty-eight thousand, two hundred forty-two".