1838530656 has 96 divisors (see below), whose sum is σ = 5371591680. Its totient is φ = 611791488.

The previous prime is 1838530643. The next prime is 1838530663. The reversal of 1838530656 is 6560358381.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 626665 + ... + 629591.

It is an arithmetic number, because the mean of its divisors is an integer number (55954080).

Almost surely, 2^1838530656 is an apocalyptic number.

1838530656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1838530656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2685795840).

1838530656 is an abundant number, since it is smaller than the sum of its proper divisors (3533061024).

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

1838530656 is a wasteful number, since it uses less digits than its factorization.

1838530656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673 (or 3659 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 1838530656 is about 42878.0906291313. The cubic root of 1838530656 is about 1225.0588684191.

The spelling of 1838530656 in words is "one billion, eight hundred thirty-eight million, five hundred thirty thousand, six hundred fifty-six".