945663 has 8 divisors (see below), whose sum is σ = 1273776. Its totient is φ = 624000.

The previous prime is 945647. The next prime is 945671. The reversal of 945663 is 366549.

It is a happy number.

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

It is not a de Polignac number, because 945663 - 2⁴ = 945647 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258 + ... + 1863.

It is an arithmetic number, because the mean of its divisors is an integer number (159222).

2⁹⁴⁵⁶⁶³ is an apocalyptic number.

945663 is a deficient number, since it is larger than the sum of its proper divisors (328113).

945663 is a wasteful number, since it uses less digits than its factorization.

945663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225.

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

The square root of 945663 is about 972.4520553734. The cubic root of 945663 is about 98.1549333266.

The spelling of 945663 in words is "nine hundred forty-five thousand, six hundred sixty-three".