39866893 has 8 divisors (see below), whose sum is σ = 43564896. Its totient is φ = 36181200.

The previous prime is 39866881. The next prime is 39866917.

39866893 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 39866893 - 2⁵ = 39866861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39866893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39866803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4530 + ... + 10012.

It is an arithmetic number, because the mean of its divisors is an integer number (5445612).

Almost surely, 2^39866893 is an apocalyptic number.

It is an amenable number.

39866893 is a deficient number, since it is larger than the sum of its proper divisors (3698003).

39866893 is a wasteful number, since it uses less digits than its factorization.

39866893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155.

The product of its digits is 1679616, while the sum is 52.

The square root of 39866893 is about 6314.0235191200. The cubic root of 39866893 is about 341.6154181577.

The spelling of 39866893 in words is "thirty-nine million, eight hundred sixty-six thousand, eight hundred ninety-three".