834381512 has 16 divisors (see below), whose sum is σ = 1575886860. Its totient is φ = 414145024.

The previous prime is 834381467. The next prime is 834381521. The reversal of 834381512 is 215183438.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 786578116 + 47803396 = 28046^2 + 6914^2 .

It is a super-2 number, since 2×834381512² = 1392385015134812288, which contains 22 as substring.

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, 379553 + ... + 381744.

Almost surely, 2^834381512 is an apocalyptic number.

It is an amenable number.

834381512 is a deficient number, since it is larger than the sum of its proper divisors (741505348).

834381512 is a wasteful number, since it uses less digits than its factorization.

834381512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761440 (or 761436 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 834381512 is about 28885.6627412286. The cubic root of 834381512 is about 941.4304131292.

The spelling of 834381512 in words is "eight hundred thirty-four million, three hundred eighty-one thousand, five hundred twelve".