945506 has 8 divisors (see below), whose sum is σ = 1501740. Its totient is φ = 444928.

The previous prime is 945481. The next prime is 945521. The reversal of 945506 is 605549.

It can be written as a sum of positive squares in 2 ways, for example, as 885481 + 60025 = 941^2 + 245^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945506.

It is an unprimeable number.

945506 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 13871 + ... + 13938.

2⁹⁴⁵⁵⁰⁶ is an apocalyptic number.

945506 is a deficient number, since it is larger than the sum of its proper divisors (556234).

945506 is a wasteful number, since it uses less digits than its factorization.

945506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27828.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 945506 is about 972.3713282486. The cubic root of 945506 is about 98.1495010964.

The spelling of 945506 in words is "nine hundred forty-five thousand, five hundred six".