945636 has 12 divisors (see below), whose sum is σ = 2206512. Its totient is φ = 315208.

The previous prime is 945631. The next prime is 945647. The reversal of 945636 is 636549.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 945597 and 945606.

It is not an unprimeable number, because it can be changed into a prime (945631) 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, 39390 + ... + 39413.

It is an arithmetic number, because the mean of its divisors is an integer number (183876).

2⁹⁴⁵⁶³⁶ is an apocalyptic number.

It is an amenable number.

945636 is an abundant number, since it is smaller than the sum of its proper divisors (1260876).

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

945636 is a wasteful number, since it uses less digits than its factorization.

945636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78810 (or 78808 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 945636 is about 972.4381728419. The cubic root of 945636 is about 98.1539991642.

The spelling of 945636 in words is "nine hundred forty-five thousand, six hundred thirty-six".