618797 has 4 divisors (see below), whose sum is σ = 623100. Its totient is φ = 614496.

The previous prime is 618719. The next prime is 618799. The reversal of 618797 is 797816.

It is a happy number.

618797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32041 + 586756 = 179^2 + 766^2 .

It is a cyclic number.

It is not a de Polignac number, because 618797 - 2¹² = 614701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 618797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (155775).

2⁶¹⁸⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

618797 is a deficient number, since it is larger than the sum of its proper divisors (4303).

618797 is a wasteful number, since it uses less digits than its factorization.

618797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302.

The product of its digits is 21168, while the sum is 38.

The square root of 618797 is about 786.6365107214. The cubic root of 618797 is about 85.2150035661.

The spelling of 618797 in words is "six hundred eighteen thousand, seven hundred ninety-seven".