836740238 has 16 divisors (see below), whose sum is σ = 1330874064. Its totient is φ = 393187200.

The previous prime is 836740193. The next prime is 836740279. The reversal of 836740238 is 832047638.

It is a junction number, because it is equal to n+sod(n) for n = 836740195 and 836740204.

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 7 ways as a sum of consecutive naturals, for example, 6281 + ... + 41387.

It is an arithmetic number, because the mean of its divisors is an integer number (83179629).

Almost surely, 2^836740238 is an apocalyptic number.

836740238 is a deficient number, since it is larger than the sum of its proper divisors (494133826).

836740238 is a wasteful number, since it uses less digits than its factorization.

836740238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35827.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 836740238 is about 28926.4625905070. The cubic root of 836740238 is about 942.3166932381.

The spelling of 836740238 in words is "eight hundred thirty-six million, seven hundred forty thousand, two hundred thirty-eight".