209852396 has 12 divisors (see below), whose sum is σ = 395491152. Its totient is φ = 96854928.

The previous prime is 209852393. The next prime is 209852407. The reversal of 209852396 is 693258902.

It is not an unprimeable number, because it can be changed into a prime (209852393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017760 + ... + 2017863.

It is an arithmetic number, because the mean of its divisors is an integer number (32957596).

Almost surely, 2^209852396 is an apocalyptic number.

209852396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

209852396 is a deficient number, since it is larger than the sum of its proper divisors (185638756).

209852396 is a wasteful number, since it uses less digits than its factorization.

209852396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035640 (or 4035638 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 209852396 is about 14486.2830291279. The cubic root of 209852396 is about 594.2529012618.

The spelling of 209852396 in words is "two hundred nine million, eight hundred fifty-two thousand, three hundred ninety-six".