945906 has 32 divisors (see below), whose sum is σ = 2079168. Its totient is φ = 285120.

The previous prime is 945899. The next prime is 945907. The reversal of 945906 is 609549.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945906.

It is not an unprimeable number, because it can be changed into a prime (945907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5136 + ... + 5316.

It is an arithmetic number, because the mean of its divisors is an integer number (64974).

2⁹⁴⁵⁹⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 945906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039584).

945906 is an abundant number, since it is smaller than the sum of its proper divisors (1133262).

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

945906 is a wasteful number, since it uses less digits than its factorization.

945906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 945906 is about 972.5769892404. The cubic root of 945906 is about 98.1633399881.

The spelling of 945906 in words is "nine hundred forty-five thousand, nine hundred six".