618248 has 16 divisors (see below), whose sum is σ = 1171500. Its totient is φ = 305856.

The previous prime is 618229. The next prime is 618253. The reversal of 618248 is 842816.

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 6724 = 782^2 + 82^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 618248.

It is an unprimeable number.

618248 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, 518 + ... + 1226.

2⁶¹⁸²⁴⁸ is an apocalyptic number.

It is an amenable number.

618248 is a deficient number, since it is larger than the sum of its proper divisors (553252).

618248 is a wasteful number, since it uses less digits than its factorization.

618248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 820 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 618248 is about 786.2874792339. The cubic root of 618248 is about 85.1897950410.

The spelling of 618248 in words is "six hundred eighteen thousand, two hundred forty-eight".