39850873 has 16 divisors (see below), whose sum is σ = 43497216. Its totient is φ = 36368640.

The previous prime is 39850849. The next prime is 39850891. The reversal of 39850873 is 37805893.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 39850873 - 2²¹ = 37753721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39850823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85840 + ... + 86302.

It is an arithmetic number, because the mean of its divisors is an integer number (2718576).

Almost surely, 2^39850873 is an apocalyptic number.

It is an amenable number.

39850873 is a deficient number, since it is larger than the sum of its proper divisors (3646343).

39850873 is a wasteful number, since it uses less digits than its factorization.

39850873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 39850873 is about 6312.7547869373. The cubic root of 39850873 is about 341.5696541015.

The spelling of 39850873 in words is "thirty-nine million, eight hundred fifty thousand, eight hundred seventy-three".