844938396 has 36 divisors (see below), whose sum is σ = 2228680272. Its totient is φ = 269400384.

The previous prime is 844938383. The next prime is 844938397. The reversal of 844938396 is 693839448.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844938397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509401 + ... + 511056.

Almost surely, 2^844938396 is an apocalyptic number.

It is an amenable number.

844938396 is an abundant number, since it is smaller than the sum of its proper divisors (1383741876).

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

844938396 is a wasteful number, since it uses less digits than its factorization.

844938396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020490 (or 1020485 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 844938396 is about 29067.8240671709. The cubic root of 844938396 is about 945.3842193398.

The spelling of 844938396 in words is "eight hundred forty-four million, nine hundred thirty-eight thousand, three hundred ninety-six".