945684 has 36 divisors (see below), whose sum is σ = 2422420. Its totient is φ = 311040.

The previous prime is 945677. The next prime is 945701. The reversal of 945684 is 486549.

945684 is a `hidden beast` number, since 94 + 568 + 4 = 666.

945684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 260100 = 828^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (34560) is a multiple of the sum of its prime factors (360).

It is a congruent number.

It is an unprimeable number.

945684 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3804 + ... + 4044.

2⁹⁴⁵⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

945684 is an abundant number, since it is smaller than the sum of its proper divisors (1476736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

945684 is a wasteful number, since it uses less digits than its factorization.

945684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 355 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 945684 is about 972.4628527610. The cubic root of 945684 is about 98.1556598851.

It can be divided in two parts, 94 and 5684, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 945684 in words is "nine hundred forty-five thousand, six hundred eighty-four".