844444434 has 16 divisors (see below), whose sum is σ = 1788235488. Its totient is φ = 264923712.

The previous prime is 844444429. The next prime is 844444457. The reversal of 844444434 is 434444448.

It is a super-2 number, since 2×844444434² = 1426172804227160712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 844444392 and 844444401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4139332 + ... + 4139535.

It is an arithmetic number, because the mean of its divisors is an integer number (111764718).

Almost surely, 2^844444434 is an apocalyptic number.

844444434 is an abundant number, since it is smaller than the sum of its proper divisors (943791054).

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

844444434 is a wasteful number, since it uses less digits than its factorization.

844444434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8278889.

The product of its digits is 393216, while the sum is 39.

The square root of 844444434 is about 29059.3261105622. The cubic root of 844444434 is about 945.1999554483.

The spelling of 844444434 in words is "eight hundred forty-four million, four hundred forty-four thousand, four hundred thirty-four".