834227690 has 8 divisors (see below), whose sum is σ = 1501609860. Its totient is φ = 333691072.

The previous prime is 834227663. The next prime is 834227711. The reversal of 834227690 is 96722438.

It is a happy number.

It is a Cunningham number, because it is equal to 28883²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 834227689 + 1 = 28883^2 + 1^2 .

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

It is a super-2 number, since 2×834227690² = 1391871677525472200, which contains 22 as substring.

It is a Curzon 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, 41711375 + ... + 41711394.

Almost surely, 2^834227690 is an apocalyptic number.

834227690 is a deficient number, since it is larger than the sum of its proper divisors (667382170).

834227690 is a wasteful number, since it uses less digits than its factorization.

834227690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83422776.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 834227690 is about 28883.0000173112. Note that the first 4 decimals coincide. The cubic root of 834227690 is about 941.3725572576.

The spelling of 834227690 in words is "eight hundred thirty-four million, two hundred twenty-seven thousand, six hundred ninety".