39961039 has 8 divisors (see below), whose sum is σ = 40800960. Its totient is φ = 39127200.

The previous prime is 39961021. The next prime is 39961049. The reversal of 39961039 is 93016993.

39961039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39961039 - 2⁵ = 39961007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39960992 and 39961010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39961049) 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 7 ways as a sum of consecutive naturals, for example, 13209 + ... + 15949.

It is an arithmetic number, because the mean of its divisors is an integer number (5100120).

Almost surely, 2^39961039 is an apocalyptic number.

39961039 is a deficient number, since it is larger than the sum of its proper divisors (839921).

39961039 is a wasteful number, since it uses less digits than its factorization.

39961039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 39961039 is about 6321.4744324406. The cubic root of 39961039 is about 341.8841159767.

The spelling of 39961039 in words is "thirty-nine million, nine hundred sixty-one thousand, thirty-nine".