686010841 has 4 divisors (see below), whose sum is σ = 688245712. Its totient is φ = 683775972.

The previous prime is 686010817. The next prime is 686010847. The reversal of 686010841 is 148010686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 148010686 = 2 ⋅74005343.

It is a cyclic number.

It is not a de Polignac number, because 686010841 - 2⁹ = 686010329 is a prime.

It is a super-2 number, since 2×686010841² = 941221747939054562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 686010797 and 686010806.

It is not an unprimeable number, because it can be changed into a prime (686010847) 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, 1116975 + ... + 1117588.

It is an arithmetic number, because the mean of its divisors is an integer number (172061428).

Almost surely, 2^686010841 is an apocalyptic number.

It is an amenable number.

686010841 is a deficient number, since it is larger than the sum of its proper divisors (2234871).

686010841 is a wasteful number, since it uses less digits than its factorization.

686010841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234870.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 686010841 is about 26191.8086622516. The cubic root of 686010841 is about 881.9493807537.

The spelling of 686010841 in words is "six hundred eighty-six million, ten thousand, eight hundred forty-one".