834337509 has 24 divisors (see below), whose sum is σ = 1184155488. Its totient is φ = 522435840.

The previous prime is 834337463. The next prime is 834337547. The reversal of 834337509 is 905733438.

It is a happy number.

It is not a de Polignac number, because 834337509 - 2⁷ = 834337381 is a prime.

It is a super-2 number, since 2×834337509² = 1392238157848650162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834337589) 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 23 ways as a sum of consecutive naturals, for example, 785839 + ... + 786899.

It is an arithmetic number, because the mean of its divisors is an integer number (49339812).

Almost surely, 2^834337509 is an apocalyptic number.

It is an amenable number.

834337509 is a deficient number, since it is larger than the sum of its proper divisors (349817979).

834337509 is a wasteful number, since it uses less digits than its factorization.

834337509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 834337509 is about 28884.9010557419. The cubic root of 834337509 is about 941.4138633494.

The spelling of 834337509 in words is "eight hundred thirty-four million, three hundred thirty-seven thousand, five hundred nine".