841081393 has 4 divisors (see below), whose sum is σ = 843768868. Its totient is φ = 838393920.

The previous prime is 841081363. The next prime is 841081459. The reversal of 841081393 is 393180148.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74511424 + 766569969 = 8632^2 + 27687^2 .

It is a cyclic number.

It is not a de Polignac number, because 841081393 - 2¹⁷ = 840950321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (841081313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343268 + ... + 1343893.

It is an arithmetic number, because the mean of its divisors is an integer number (210942217).

Almost surely, 2^841081393 is an apocalyptic number.

It is an amenable number.

841081393 is a deficient number, since it is larger than the sum of its proper divisors (2687475).

841081393 is a wasteful number, since it uses less digits than its factorization.

841081393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687474.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 841081393 is about 29001.4032936339. The cubic root of 841081393 is about 943.9435177741.

The spelling of 841081393 in words is "eight hundred forty-one million, eighty-one thousand, three hundred ninety-three".