618893 has 4 divisors (see below), whose sum is σ = 675168. Its totient is φ = 562620.

The previous prime is 618883. The next prime is 618913. The reversal of 618893 is 398816.

618893 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 618893 - 2⁸ = 618637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618823) 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, 28121 + ... + 28142.

It is an arithmetic number, because the mean of its divisors is an integer number (168792).

2⁶¹⁸⁸⁹³ is an apocalyptic number.

It is an amenable number.

618893 is a deficient number, since it is larger than the sum of its proper divisors (56275).

618893 is a wasteful number, since it uses less digits than its factorization.

618893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56274.

The product of its digits is 10368, while the sum is 35.

The square root of 618893 is about 786.6975276432. The cubic root of 618893 is about 85.2194100825.

The spelling of 618893 in words is "six hundred eighteen thousand, eight hundred ninety-three".