1796643436 has 96 divisors (see below), whose sum is σ = 3989744640. Its totient is φ = 689762304.

The previous prime is 1796643421. The next prime is 1796643437. The reversal of 1796643436 is 6343466971.

It is a super-2 number, since 2×1796643436² = 6455855272243772192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1796643436.

It is not an unprimeable number, because it can be changed into a prime (1796643437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4149076 + ... + 4149508.

It is an arithmetic number, because the mean of its divisors is an integer number (41559840).

Almost surely, 2^1796643436 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 1796643436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1994872320).

1796643436 is an abundant number, since it is smaller than the sum of its proper divisors (2193101204).

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

1796643436 is a wasteful number, since it uses less digits than its factorization.

1796643436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 861 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 49.

The square root of 1796643436 is about 42386.8309265979. The cubic root of 1796643436 is about 1215.6838064004.

The spelling of 1796643436 in words is "one billion, seven hundred ninety-six million, six hundred forty-three thousand, four hundred thirty-six".