834252381 has 6 divisors (see below), whose sum is σ = 1205031230. Its totient is φ = 556168248.

The previous prime is 834252347. The next prime is 834252421. The reversal of 834252381 is 183252438.

It can be written as a sum of positive squares in only one way, i.e., 680740281 + 153512100 = 26091^2 + 12390^2 .

It is not a de Polignac number, because 834252381 - 2⁶ = 834252317 is a prime.

It is a super-2 number, since 2×834252381² = 1391954070408338322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834252301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46347346 + ... + 46347363.

Almost surely, 2^834252381 is an apocalyptic number.

It is an amenable number.

834252381 is a deficient number, since it is larger than the sum of its proper divisors (370778849).

834252381 is a wasteful number, since it uses less digits than its factorization.

834252381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92694715 (or 92694712 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 834252381 is about 28883.4274455093. The cubic root of 834252381 is about 941.3818445704.

The spelling of 834252381 in words is "eight hundred thirty-four million, two hundred fifty-two thousand, three hundred eighty-one".