209430096 has 20 divisors (see below), whose sum is σ = 541027872. Its totient is φ = 69810016.

The previous prime is 209430077. The next prime is 209430097. The reversal of 209430096 is 690034902.

209430096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×209430096² = 87721930221138432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209430097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2181516 + ... + 2181611.

Almost surely, 2^209430096 is an apocalyptic number.

It is an amenable number.

209430096 is an abundant number, since it is smaller than the sum of its proper divisors (331597776).

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

209430096 is a wasteful number, since it uses less digits than its factorization.

209430096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363138 (or 4363132 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 209430096 is about 14471.6998310496. The cubic root of 209430096 is about 593.8540152989.

Adding to 209430096 its reverse (690034902), we get a palindrome (899464998).

The spelling of 209430096 in words is "two hundred nine million, four hundred thirty thousand, ninety-six".