206442888 has 64 divisors (see below), whose sum is σ = 541900800. Its totient is φ = 65451840.

The previous prime is 206442877. The next prime is 206442931. The reversal of 206442888 is 888244602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41545 + ... + 46247.

It is an arithmetic number, because the mean of its divisors is an integer number (8467200).

Almost surely, 2^206442888 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 206442888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270950400).

206442888 is an abundant number, since it is smaller than the sum of its proper divisors (335457912).

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

206442888 is a wasteful number, since it uses less digits than its factorization.

206442888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802 (or 4798 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 206442888 is about 14368.1205451513. The cubic root of 206442888 is about 591.0170030123.

It can be divided in two parts, 20644 and 2888, that added together give a palindrome (23532).

The spelling of 206442888 in words is "two hundred six million, four hundred forty-two thousand, eight hundred eighty-eight".