641796 has 24 divisors (see below), whose sum is σ = 1518720. Its totient is φ = 210912.

The previous prime is 641791. The next prime is 641803. The reversal of 641796 is 697146.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 641796.

It is not an unprimeable number, because it can be changed into a prime (641791) 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, 610 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (63280).

2⁶⁴¹⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

641796 is an abundant number, since it is smaller than the sum of its proper divisors (876924).

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

641796 is a wasteful number, since it uses less digits than its factorization.

641796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 761 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 641796 is about 801.1217135991. The cubic root of 641796 is about 86.2579240777.

The spelling of 641796 in words is "six hundred forty-one thousand, seven hundred ninety-six".