209066232 has 64 divisors (see below), whose sum is σ = 546508800. Its totient is φ = 66568320.

The previous prime is 209066213. The next prime is 209066239. The reversal of 209066232 is 232660902.

209066232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 209066232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209066239) 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, 56998 + ... + 60554.

It is an arithmetic number, because the mean of its divisors is an integer number (8539200).

Almost surely, 2^209066232 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 209066232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273254400).

209066232 is an abundant number, since it is smaller than the sum of its proper divisors (337442568).

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

209066232 is a wasteful number, since it uses less digits than its factorization.

209066232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676 (or 3672 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 209066232 is about 14459.1227949693. The cubic root of 209066232 is about 593.5098951320.

The spelling of 209066232 in words is "two hundred nine million, sixty-six thousand, two hundred thirty-two".