956385685 has 4 divisors (see below), whose sum is σ = 1147662828. Its totient is φ = 765108544.

The previous prime is 956385679. The next prime is 956385709. The reversal of 956385685 is 586583659.

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 416241604 + 540144081 = 20402^2 + 23241^2 .

It is a cyclic number.

It is not a de Polignac number, because 956385685 - 2⁹ = 956385173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95638564 + ... + 95638573.

It is an arithmetic number, because the mean of its divisors is an integer number (286915707).

Almost surely, 2^956385685 is an apocalyptic number.

It is an amenable number.

956385685 is a deficient number, since it is larger than the sum of its proper divisors (191277143).

956385685 is a wasteful number, since it uses less digits than its factorization.

956385685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191277142.

The product of its digits is 7776000, while the sum is 55.

The square root of 956385685 is about 30925.4860107323. The cubic root of 956385685 is about 985.2452634628.

The spelling of 956385685 in words is "nine hundred fifty-six million, three hundred eighty-five thousand, six hundred eighty-five".