39842007 has 24 divisors (see below), whose sum is σ = 55717200. Its totient is φ = 25318656.

The previous prime is 39841981. The next prime is 39842009. The reversal of 39842007 is 70024893.

It is not a de Polignac number, because 39842007 - 2¹² = 39837911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39842009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365469 + ... + 365577.

It is an arithmetic number, because the mean of its divisors is an integer number (2321550).

Almost surely, 2^39842007 is an apocalyptic number.

39842007 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

39842007 is a deficient number, since it is larger than the sum of its proper divisors (15875193).

39842007 is a wasteful number, since it uses less digits than its factorization.

39842007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 39842007 is about 6312.0525187929. The cubic root of 39842007 is about 341.5443214807.

The spelling of 39842007 in words is "thirty-nine million, eight hundred forty-two thousand, seven".