618466 has 8 divisors (see below), whose sum is σ = 936540. Its totient is φ = 306288.

The previous prime is 618463. The next prime is 618509. The reversal of 618466 is 664816.

It can be written as a sum of positive squares in 2 ways, for example, as 594441 + 24025 = 771^2 + 155^2 .

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

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (618463) 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, 1201 + ... + 1636.

2⁶¹⁸⁴⁶⁶ is an apocalyptic number.

618466 is a deficient number, since it is larger than the sum of its proper divisors (318074).

618466 is a wasteful number, since it uses less digits than its factorization.

618466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948.

The product of its digits is 6912, while the sum is 31.

The square root of 618466 is about 786.4260931582. The cubic root of 618466 is about 85.1998067692.

The spelling of 618466 in words is "six hundred eighteen thousand, four hundred sixty-six".