945685 has 8 divisors (see below), whose sum is σ = 1222200. Its totient is φ = 698304.

The previous prime is 945677. The next prime is 945701. The reversal of 945685 is 586549.

It can be written as a sum of positive squares in 4 ways, for example, as 88209 + 857476 = 297^2 + 926^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 945685 - 2³ = 945677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7210 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (152775).

2⁹⁴⁵⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

945685 is a deficient number, since it is larger than the sum of its proper divisors (276515).

945685 is a wasteful number, since it uses less digits than its factorization.

945685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14567.

The product of its digits is 43200, while the sum is 37.

The square root of 945685 is about 972.4633669193. The cubic root of 945685 is about 98.1556944828.

The spelling of 945685 in words is "nine hundred forty-five thousand, six hundred eighty-five".