687486241 has 8 divisors (see below), whose sum is σ = 744914240. Its totient is φ = 630707472.

The previous prime is 687486227. The next prime is 687486269. The reversal of 687486241 is 142684786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-687486241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 687486191 and 687486200.

It is not an unprimeable number, because it can be changed into a prime (687486221) 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, 160101 + ... + 164338.

It is an arithmetic number, because the mean of its divisors is an integer number (93114280).

Almost surely, 2^687486241 is an apocalyptic number.

It is an amenable number.

687486241 is a deficient number, since it is larger than the sum of its proper divisors (57427999).

687486241 is a wasteful number, since it uses less digits than its factorization.

687486241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324615.

The product of its digits is 516096, while the sum is 46.

The square root of 687486241 is about 26219.9588291057. The cubic root of 687486241 is about 882.5811960271.

The spelling of 687486241 in words is "six hundred eighty-seven million, four hundred eighty-six thousand, two hundred forty-one".