618996 has 24 divisors (see below), whose sum is σ = 1650880. Its totient is φ = 176832.

The previous prime is 618991. The next prime is 618997. The reversal of 618996 is 699816.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618991) by changing a digit.

618996 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 3601 + ... + 3768.

2⁶¹⁸⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

618996 is an abundant number, since it is smaller than the sum of its proper divisors (1031884).

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

618996 is a wasteful number, since it uses less digits than its factorization.

618996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383 (or 7381 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 618996 is about 786.7629884533. The cubic root of 618996 is about 85.2241374006.

The spelling of 618996 in words is "six hundred eighteen thousand, nine hundred ninety-six".