618976 has 36 divisors (see below), whose sum is σ = 1316952. Its totient is φ = 285824.

The previous prime is 618971. The next prime is 618979. The reversal of 618976 is 679816.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

Its product of digits (18144) is a multiple of the sum of its prime divisors (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21330 + ... + 21358.

It is an arithmetic number, because the mean of its divisors is an integer number (36582).

2⁶¹⁸⁹⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658476).

618976 is an abundant number, since it is smaller than the sum of its proper divisors (697976).

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

618976 is a wasteful number, since it uses less digits than its factorization.

618976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 54 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 618976 is about 786.7502780425. The cubic root of 618976 is about 85.2232195158.

The spelling of 618976 in words is "six hundred eighteen thousand, nine hundred seventy-six".