940945 has 4 divisors (see below), whose sum is σ = 1129140. Its totient is φ = 752752.

The previous prime is 940931. The next prime is 940949. The reversal of 940945 is 549049.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549049 = 17 ⋅32297.

It can be written as a sum of positive squares in 2 ways, for example, as 221841 + 719104 = 471^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 940945 - 2⁵ = 940913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (940949) 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, 94090 + ... + 94099.

It is an arithmetic number, because the mean of its divisors is an integer number (282285).

2⁹⁴⁰⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

940945 is a deficient number, since it is larger than the sum of its proper divisors (188195).

940945 is a wasteful number, since it uses less digits than its factorization.

940945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188194.

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

The square root of 940945 is about 970.0231955990. The cubic root of 940945 is about 97.9914264331.

The spelling of 940945 in words is "nine hundred forty thousand, nine hundred forty-five".