945940 has 12 divisors (see below), whose sum is σ = 1986516. Its totient is φ = 378368.

The previous prime is 945937. The next prime is 945941. The reversal of 945940 is 49549.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 309136 + 636804 = 556^2 + 798^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945941) by changing a digit.

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, 23629 + ... + 23668.

It is an arithmetic number, because the mean of its divisors is an integer number (165543).

2⁹⁴⁵⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

945940 is an abundant number, since it is smaller than the sum of its proper divisors (1040576).

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

945940 is a wasteful number, since it uses less digits than its factorization.

945940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47306 (or 47304 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 945940 is about 972.5944684194. The cubic root of 945940 is about 98.1645161139.

The spelling of 945940 in words is "nine hundred forty-five thousand, nine hundred forty".