841790564 has 12 divisors (see below), whose sum is σ = 1559788524. Its totient is φ = 396136704.

The previous prime is 841790561. The next prime is 841790597. The reversal of 841790564 is 465097148.

It can be written as a sum of positive squares in 2 ways, for example, as 236236900 + 605553664 = 15370^2 + 24608^2 .

It is a super-2 number, since 2×841790564² = 1417222707278876192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (841790561) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6189569 + ... + 6189704.

It is an arithmetic number, because the mean of its divisors is an integer number (129982377).

Almost surely, 2^841790564 is an apocalyptic number.

It is an amenable number.

841790564 is a deficient number, since it is larger than the sum of its proper divisors (717997960).

841790564 is a wasteful number, since it uses less digits than its factorization.

841790564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12379294 (or 12379292 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 841790564 is about 29013.6272120533. The cubic root of 841790564 is about 944.2087435175.

The spelling of 841790564 in words is "eight hundred forty-one million, seven hundred ninety thousand, five hundred sixty-four".