835742144 has 28 divisors (see below), whose sum is σ = 1711927488. Its totient is φ = 404390400.

The previous prime is 835742143. The next prime is 835742147. The reversal of 835742144 is 441247538.

It is a junction number, because it is equal to n+sod(n) for n = 835742098 and 835742107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (835742143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208637 + ... + 212604.

Almost surely, 2^835742144 is an apocalyptic number.

It is an amenable number.

835742144 is an abundant number, since it is smaller than the sum of its proper divisors (876185344).

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

835742144 is a wasteful number, since it uses less digits than its factorization.

835742144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421284 (or 421274 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 835742144 is about 28909.2051775901. The cubic root of 835742144 is about 941.9418676928.

The spelling of 835742144 in words is "eight hundred thirty-five million, seven hundred forty-two thousand, one hundred forty-four".