1018338 has 16 divisors (see below), whose sum is σ = 2060640. Its totient is φ = 335456.

The previous prime is 1018337. The next prime is 1018357. The reversal of 1018338 is 8338101.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1018337) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 420 + ... + 1487.

It is an arithmetic number, because the mean of its divisors is an integer number (128790).

2^1018338 is an apocalyptic number.

1018338 is an abundant number, since it is smaller than the sum of its proper divisors (1042302).

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

1018338 is a wasteful number, since it uses less digits than its factorization.

1018338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1018338 is about 1009.1273457795. The cubic root of 1018338 is about 100.6075678044.

The spelling of 1018338 in words is "one million, eighteen thousand, three hundred thirty-eight".