1078618 has 4 divisors (see below), whose sum is σ = 1617930. Its totient is φ = 539308.

The previous prime is 1078589. The next prime is 1078643. The reversal of 1078618 is 8168701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8168701 = 107 ⋅76343.

It can be written as a sum of positive squares in only one way, i.e., 1075369 + 3249 = 1037^2 + 57^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1078618.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269653 + ... + 269656.

2^1078618 is an apocalyptic number.

1078618 is a deficient number, since it is larger than the sum of its proper divisors (539312).

1078618 is an equidigital number, since it uses as much as digits as its factorization.

1078618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539311.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1078618 is about 1038.5653566339. The cubic root of 1078618 is about 102.5547754029.

The spelling of 1078618 in words is "one million, seventy-eight thousand, six hundred eighteen".