886899990 has 64 divisors (see below), whose sum is σ = 2196504576. Its totient is φ = 229018752.

The previous prime is 886899961. The next prime is 886899991. The reversal of 886899990 is 99998688.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (886899991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245739 + ... + 249321.

It is an arithmetic number, because the mean of its divisors is an integer number (34320384).

Almost surely, 2^886899990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 886899990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098252288).

886899990 is an abundant number, since it is smaller than the sum of its proper divisors (1309604586).

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

886899990 is a wasteful number, since it uses less digits than its factorization.

886899990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853.

The product of its (nonzero) digits is 20155392, while the sum is 66.

The square root of 886899990 is about 29780.8661727627. The cubic root of 886899990 is about 960.7820558742.

The spelling of 886899990 in words is "eight hundred eighty-six million, eight hundred ninety-nine thousand, nine hundred ninety".