844097134 has 4 divisors (see below), whose sum is σ = 1266145704. Its totient is φ = 422048566.

The previous prime is 844097117. The next prime is 844097143. The reversal of 844097134 is 431790448.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211024282 + ... + 211024285.

It is an arithmetic number, because the mean of its divisors is an integer number (316536426).

Almost surely, 2^844097134 is an apocalyptic number.

844097134 is a deficient number, since it is larger than the sum of its proper divisors (422048570).

844097134 is a wasteful number, since it uses less digits than its factorization.

844097134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422048569.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 844097134 is about 29053.3497896542. The cubic root of 844097134 is about 945.0703582265.

The spelling of 844097134 in words is "eight hundred forty-four million, ninety-seven thousand, one hundred thirty-four".