834608505 has 32 divisors (see below), whose sum is σ = 1412103168. Its totient is φ = 420249600.

The previous prime is 834608501. The next prime is 834608507. The reversal of 834608505 is 505806438.

It is a happy number.

It is not a de Polignac number, because 834608505 - 2² = 834608501 is a prime.

It is a super-4 number, since 4×834608505⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (834608501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2824 + ... + 40953.

It is an arithmetic number, because the mean of its divisors is an integer number (44128224).

Almost surely, 2^834608505 is an apocalyptic number.

It is an amenable number.

834608505 is a deficient number, since it is larger than the sum of its proper divisors (577494663).

834608505 is a wasteful number, since it uses less digits than its factorization.

834608505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43857.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 834608505 is about 28889.5916378200. The cubic root of 834608505 is about 941.5157772521.

The spelling of 834608505 in words is "eight hundred thirty-four million, six hundred eight thousand, five hundred five".