618486 has 16 divisors (see below), whose sum is σ = 1349568. Its totient is φ = 187400.

The previous prime is 618463. The next prime is 618509. The reversal of 618486 is 684816.

618486 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (618463) and next prime (618509).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4620 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (84348).

2⁶¹⁸⁴⁸⁶ is an apocalyptic number.

618486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

618486 is an abundant number, since it is smaller than the sum of its proper divisors (731082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

618486 is a wasteful number, since it uses less digits than its factorization.

618486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9387.

The product of its digits is 9216, while the sum is 33.

The square root of 618486 is about 786.4388088084. The cubic root of 618486 is about 85.2007251586.

The spelling of 618486 in words is "six hundred eighteen thousand, four hundred eighty-six".