618963 has 8 divisors (see below), whose sum is σ = 868800. Its totient is φ = 390888.

The previous prime is 618941. The next prime is 618971. The reversal of 618963 is 369816.

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

It is not a de Polignac number, because 618963 - 2⁸ = 618707 is a prime.

It is an alternating number because its digits alternate between even and odd.

618963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (618913) 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 7 ways as a sum of consecutive naturals, for example, 5373 + ... + 5486.

It is an arithmetic number, because the mean of its divisors is an integer number (108600).

2⁶¹⁸⁹⁶³ is an apocalyptic number.

618963 is a deficient number, since it is larger than the sum of its proper divisors (249837).

618963 is a wasteful number, since it uses less digits than its factorization.

618963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881.

The product of its digits is 7776, while the sum is 33.

The square root of 618963 is about 786.7420161654. The cubic root of 618963 is about 85.2226228801. Note that the first 3 decimals are identical.

The spelling of 618963 in words is "six hundred eighteen thousand, nine hundred sixty-three".