618418 has 16 divisors (see below), whose sum is σ = 975384. Its totient is φ = 293760.

The previous prime is 618413. The next prime is 618421. The reversal of 618418 is 814816.

It can be written as a sum of positive squares in 4 ways, for example, as 514089 + 104329 = 717^2 + 323^2 .

It is not an unprimeable number, because it can be changed into a prime (618413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4446 + ... + 4582.

2⁶¹⁸⁴¹⁸ is an apocalyptic number.

618418 is a deficient number, since it is larger than the sum of its proper divisors (356966).

618418 is a wasteful number, since it uses less digits than its factorization.

618418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237.

The product of its digits is 1536, while the sum is 28.

The square root of 618418 is about 786.3955747587. The cubic root of 618418 is about 85.1976025540.

The spelling of 618418 in words is "six hundred eighteen thousand, four hundred eighteen".