844359340 has 24 divisors (see below), whose sum is σ = 1934350992. Its totient is φ = 307039680.

The previous prime is 844359337. The next prime is 844359343. The reversal of 844359340 is 43953448.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (844359337) and next prime (844359343).

It is a junction number, because it is equal to n+sod(n) for n = 844359293 and 844359302.

It is not an unprimeable number, because it can be changed into a prime (844359343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1918779 + ... + 1919218.

It is an arithmetic number, because the mean of its divisors is an integer number (80597958).

Almost surely, 2^844359340 is an apocalyptic number.

It is an amenable number.

844359340 is an abundant number, since it is smaller than the sum of its proper divisors (1089991652).

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

844359340 is a wasteful number, since it uses less digits than its factorization.

844359340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838017 (or 3838015 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 844359340 is about 29057.8619309818. The cubic root of 844359340 is about 945.1682053636.

The spelling of 844359340 in words is "eight hundred forty-four million, three hundred fifty-nine thousand, three hundred forty".