209296242 has 24 divisors (see below), whose sum is σ = 453892140. Its totient is φ = 69701280.

The previous prime is 209296237. The next prime is 209296247. The reversal of 209296242 is 242692902.

It is a happy number.

209296242 is a `hidden beast` number, since 2 + 0 + 9 + 29 + 624 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (209296237) and next prime (209296247).

It can be written as a sum of positive squares in 2 ways, for example, as 166642281 + 42653961 = 12909^2 + 6531^2 .

It is a junction number, because it is equal to n+sod(n) for n = 209296197 and 209296206.

It is not an unprimeable number, because it can be changed into a prime (209296247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17392 + ... + 26852.

Almost surely, 2^209296242 is an apocalyptic number.

209296242 is an abundant number, since it is smaller than the sum of its proper divisors (244595898).

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

209296242 is a wasteful number, since it uses less digits than its factorization.

209296242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10698 (or 10695 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 209296242 is about 14467.0744105365. The cubic root of 209296242 is about 593.7274708054.

The spelling of 209296242 in words is "two hundred nine million, two hundred ninety-six thousand, two hundred forty-two".