201234836 has 12 divisors (see below), whose sum is σ = 384175680. Its totient is φ = 91470360.

The previous prime is 201234829. The next prime is 201234841. The reversal of 201234836 is 638432102.

It is a junction number, because it is equal to n+sod(n) for n = 201234799 and 201234808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286716 + ... + 2286803.

It is an arithmetic number, because the mean of its divisors is an integer number (32014640).

Almost surely, 2^201234836 is an apocalyptic number.

It is an amenable number.

201234836 is a deficient number, since it is larger than the sum of its proper divisors (182940844).

201234836 is a wasteful number, since it uses less digits than its factorization.

201234836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573534 (or 4573532 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 201234836 is about 14185.7264882698. The cubic root of 201234836 is about 586.0046398931.

Adding to 201234836 its reverse (638432102), we get a palindrome (839666938).

The spelling of 201234836 in words is "two hundred one million, two hundred thirty-four thousand, eight hundred thirty-six".