209234037 has 8 divisors (see below), whose sum is σ = 279822880. Its totient is φ = 139067280.

The previous prime is 209234027. The next prime is 209234041. The reversal of 209234037 is 730432902.

209234037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 209234037 - 2⁴ = 209234021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 209233995 and 209234013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209234027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104362 + ... + 106347.

It is an arithmetic number, because the mean of its divisors is an integer number (34977860).

Almost surely, 2^209234037 is an apocalyptic number.

It is an amenable number.

209234037 is a deficient number, since it is larger than the sum of its proper divisors (70588843).

209234037 is a wasteful number, since it uses less digits than its factorization.

209234037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211043.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 209234037 is about 14464.9243689692. The cubic root of 209234037 is about 593.6686443361.

Adding to 209234037 its reverse (730432902), we get a palindrome (939666939).

The spelling of 209234037 in words is "two hundred nine million, two hundred thirty-four thousand, thirty-seven".