209396313 has 16 divisors (see below), whose sum is σ = 354533760. Its totient is φ = 119654928.

The previous prime is 209396311. The next prime is 209396323. The reversal of 209396313 is 313693902.

It is a happy number.

209396313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 209396313 - 2¹ = 209396311 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (209396311) 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, 553770 + ... + 554147.

It is an arithmetic number, because the mean of its divisors is an integer number (22158360).

Almost surely, 2^209396313 is an apocalyptic number.

It is an amenable number.

209396313 is a deficient number, since it is larger than the sum of its proper divisors (145137447).

209396313 is a wasteful number, since it uses less digits than its factorization.

209396313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107933 (or 1107927 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 209396313 is about 14470.5325748571. The cubic root of 209396313 is about 593.8220822109.

The spelling of 209396313 in words is "two hundred nine million, three hundred ninety-six thousand, three hundred thirteen".