835147381 has 8 divisors (see below), whose sum is σ = 844448384. Its totient is φ = 825869520.

The previous prime is 835147367. The next prime is 835147393. The reversal of 835147381 is 183741538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-835147381 is a prime.

It is a super-2 number, since 2×835147381² = 1394942295982318322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (835147361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72616 + ... + 83326.

It is an arithmetic number, because the mean of its divisors is an integer number (105556048).

Almost surely, 2^835147381 is an apocalyptic number.

It is an amenable number.

835147381 is a deficient number, since it is larger than the sum of its proper divisors (9301003).

835147381 is a wasteful number, since it uses less digits than its factorization.

835147381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571.

The product of its digits is 80640, while the sum is 40.

The square root of 835147381 is about 28898.9166059906. The cubic root of 835147381 is about 941.7183676872.

The spelling of 835147381 in words is "eight hundred thirty-five million, one hundred forty-seven thousand, three hundred eighty-one".