834172340 has 12 divisors (see below), whose sum is σ = 1751761956. Its totient is φ = 333668928.

The previous prime is 834172331. The next prime is 834172369. The reversal of 834172340 is 43271438.

It can be written as a sum of positive squares in 2 ways, for example, as 252301456 + 581870884 = 15884^2 + 24122^2 .

It is a junction number, because it is equal to n+sod(n) for n = 834172297 and 834172306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20854289 + ... + 20854328.

It is an arithmetic number, because the mean of its divisors is an integer number (145980163).

Almost surely, 2^834172340 is an apocalyptic number.

It is an amenable number.

834172340 is an abundant number, since it is smaller than the sum of its proper divisors (917589616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

834172340 is a wasteful number, since it uses less digits than its factorization.

834172340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41708626 (or 41708624 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 834172340 is about 28882.0418253281. The cubic root of 834172340 is about 941.3517371529.

The spelling of 834172340 in words is "eight hundred thirty-four million, one hundred seventy-two thousand, three hundred forty".