835444493 has 4 divisors (see below), whose sum is σ = 899709468. Its totient is φ = 771179520.

The previous prime is 835444469. The next prime is 835444501. The reversal of 835444493 is 394444538.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394444538 = 2 ⋅197222269.

It can be written as a sum of positive squares in 2 ways, for example, as 271524484 + 563920009 = 16478^2 + 23747^2 .

It is a cyclic number.

It is not a de Polignac number, because 835444493 - 2⁶ = 835444429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (835144493) 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, 32132468 + ... + 32132493.

It is an arithmetic number, because the mean of its divisors is an integer number (224927367).

Almost surely, 2^835444493 is an apocalyptic number.

It is an amenable number.

835444493 is a deficient number, since it is larger than the sum of its proper divisors (64264975).

835444493 is a wasteful number, since it uses less digits than its factorization.

835444493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64264974.

The product of its digits is 829440, while the sum is 44.

The square root of 835444493 is about 28904.0566876001. The cubic root of 835444493 is about 941.8300296767.

The spelling of 835444493 in words is "eight hundred thirty-five million, four hundred forty-four thousand, four hundred ninety-three".