1796043648 has 192 divisors, whose sum is σ = 5657487120. Its totient is φ = 503193600.

The previous prime is 1796043643. The next prime is 1796043649. The reversal of 1796043648 is 8463406971.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×1796043648² = 6451545571042295808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1796043597 and 1796043606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1796043643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 996348 + ... + 998148.

Almost surely, 2^1796043648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1796043648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2828743560).

1796043648 is an abundant number, since it is smaller than the sum of its proper divisors (3861443472).

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

1796043648 is a wasteful number, since it uses less digits than its factorization.

1796043648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 1796043648 is about 42379.7551668246. The cubic root of 1796043648 is about 1215.5485108267.

The spelling of 1796043648 in words is "one billion, seven hundred ninety-six million, forty-three thousand, six hundred forty-eight".