818601 has 16 divisors (see below), whose sum is σ = 1321344. Its totient is φ = 440064.

The previous prime is 818581. The next prime is 818603. The reversal of 818601 is 106818.

It is not a de Polignac number, because 818601 - 2⁵ = 818569 is a prime.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 818601.

It is not an unprimeable number, because it can be changed into a prime (818603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (82584).

2⁸¹⁸⁶⁰¹ is an apocalyptic number.

It is an amenable number.

818601 is a deficient number, since it is larger than the sum of its proper divisors (502743).

818601 is a wasteful number, since it uses less digits than its factorization.

818601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 818601 is about 904.7657155308. The cubic root of 818601 is about 93.5457562466.

The spelling of 818601 in words is "eight hundred eighteen thousand, six hundred one".