869703841 has 4 divisors (see below), whose sum is σ = 870322500. Its totient is φ = 869085184.

The previous prime is 869703827. The next prime is 869703851. The reversal of 869703841 is 148307968.

It is a happy number.

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 448592400 + 421111441 = 21180^2 + 20521^2 .

It is a cyclic number.

It is not a de Polignac number, because 869703841 - 2⁷ = 869703713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869703791 and 869703800.

It is not an unprimeable number, because it can be changed into a prime (869703851) 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, 307216 + ... + 310033.

It is an arithmetic number, because the mean of its divisors is an integer number (217580625).

Almost surely, 2^869703841 is an apocalyptic number.

It is an amenable number.

869703841 is a deficient number, since it is larger than the sum of its proper divisors (618659).

869703841 is a wasteful number, since it uses less digits than its factorization.

869703841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618658.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 869703841 is about 29490.7416149543. The cubic root of 869703841 is about 954.5319347693.

The spelling of 869703841 in words is "eight hundred sixty-nine million, seven hundred three thousand, eight hundred forty-one".