618396 has 24 divisors (see below), whose sum is σ = 1493520. Its totient is φ = 198912.

The previous prime is 618377. The next prime is 618407. The reversal of 618396 is 693816.

It is a super-2 number, since 2×618396² = 764827225632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

618396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541 + ... + 1236.

It is an arithmetic number, because the mean of its divisors is an integer number (62230).

2⁶¹⁸³⁹⁶ is an apocalyptic number.

It is an amenable number.

618396 is an abundant number, since it is smaller than the sum of its proper divisors (875124).

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

618396 is a wasteful number, since it uses less digits than its factorization.

618396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1811 counting only the distinct ones).

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

The square root of 618396 is about 786.3815867631. The cubic root of 618396 is about 85.1965922506.

The spelling of 618396 in words is "six hundred eighteen thousand, three hundred ninety-six".