209383248 has 80 divisors (see below), whose sum is σ = 562464000. Its totient is φ = 67038720.

The previous prime is 209383247. The next prime is 209383253. The reversal of 209383248 is 842383902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209383243) 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, 485593 + ... + 486023.

It is an arithmetic number, because the mean of its divisors is an integer number (7030800).

Almost surely, 2^209383248 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 209383248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281232000).

209383248 is an abundant number, since it is smaller than the sum of its proper divisors (353080752).

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

209383248 is a wasteful number, since it uses less digits than its factorization.

209383248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 209383248 is about 14470.0811331519. The cubic root of 209383248 is about 593.8097317119.

The spelling of 209383248 in words is "two hundred nine million, three hundred eighty-three thousand, two hundred forty-eight".