1796537820 has 576 divisors, whose sum is σ = 6949877760. Its totient is φ = 338257920.

The previous prime is 1796537819. The next prime is 1796537833. The reversal of 1796537820 is 287356971.

It is a self number, because there is not a number n which added to its sum of digits gives 1796537820.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 33896914 + ... + 33896966.

It is an arithmetic number, because the mean of its divisors is an integer number (12065760).

Almost surely, 2^1796537820 is an apocalyptic number.

1796537820 is a gapful number since it is divisible by the number (10) 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 1796537820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3474938880).

1796537820 is an abundant number, since it is smaller than the sum of its proper divisors (5153339940).

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

1796537820 is a wasteful number, since it uses less digits than its factorization.

1796537820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 1796537820 is about 42385.5850496369. The cubic root of 1796537820 is about 1215.6599845382.

The spelling of 1796537820 in words is "one billion, seven hundred ninety-six million, five hundred thirty-seven thousand, eight hundred twenty".