844434426 has 16 divisors (see below), whose sum is σ = 1842402528. Its totient is φ = 255889200.

The previous prime is 844434419. The next prime is 844434439. The reversal of 844434426 is 624434448.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6397165 + ... + 6397296.

It is an arithmetic number, because the mean of its divisors is an integer number (115150158).

Almost surely, 2^844434426 is an apocalyptic number.

844434426 is an abundant number, since it is smaller than the sum of its proper divisors (997968102).

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

844434426 is a wasteful number, since it uses less digits than its factorization.

844434426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794477.

The product of its digits is 294912, while the sum is 39.

The square root of 844434426 is about 29059.1539106010. The cubic root of 844434426 is about 945.1962213962.

The spelling of 844434426 in words is "eight hundred forty-four million, four hundred thirty-four thousand, four hundred twenty-six".