886665940 has 48 divisors (see below), whose sum is σ = 2001004992. Its totient is φ = 328813056.

The previous prime is 886665931. The next prime is 886665943. The reversal of 886665940 is 49566688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (886665943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3319 + ... + 42241.

It is an arithmetic number, because the mean of its divisors is an integer number (41687604).

Almost surely, 2^886665940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 886665940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000502496).

886665940 is an abundant number, since it is smaller than the sum of its proper divisors (1114339052).

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

886665940 is a wasteful number, since it uses less digits than its factorization.

886665940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39016 (or 39014 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 886665940 is about 29776.9363770016. The cubic root of 886665940 is about 960.6975326936.

The spelling of 886665940 in words is "eight hundred eighty-six million, six hundred sixty-five thousand, nine hundred forty".