618494 has 8 divisors (see below), whose sum is σ = 982368. Its totient is φ = 291040.

The previous prime is 618463. The next prime is 618509. The reversal of 618494 is 494816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 618494.

It is a congruent number.

It is an unprimeable number.

618494 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 3 ways as a sum of consecutive naturals, for example, 9062 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (122796).

2⁶¹⁸⁴⁹⁴ is an apocalyptic number.

618494 is a deficient number, since it is larger than the sum of its proper divisors (363874).

618494 is a wasteful number, since it uses less digits than its factorization.

618494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18210.

The product of its digits is 6912, while the sum is 32.

The square root of 618494 is about 786.4438950110. The cubic root of 618494 is about 85.2010925088.

The spelling of 618494 in words is "six hundred eighteen thousand, four hundred ninety-four".