1942618 has 4 divisors (see below), whose sum is σ = 2913930. Its totient is φ = 971308.

The previous prime is 1942571. The next prime is 1942627. The reversal of 1942618 is 8162491.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1912689 + 29929 = 1383^2 + 173^2 .

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 1942618.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485653 + ... + 485656.

2^1942618 is an apocalyptic number.

1942618 is a deficient number, since it is larger than the sum of its proper divisors (971312).

1942618 is an equidigital number, since it uses as much as digits as its factorization.

1942618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971311.

The product of its digits is 3456, while the sum is 31.

The square root of 1942618 is about 1393.7783180980. The cubic root of 1942618 is about 124.7754475177.

The spelling of 1942618 in words is "one million, nine hundred forty-two thousand, six hundred eighteen".