1018004 has 12 divisors (see below), whose sum is σ = 1918644. Its totient is φ = 469824.

The previous prime is 1017997. The next prime is 1018007. The reversal of 1018004 is 4008101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 592900 + 425104 = 770^2 + 652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1018004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9737 + ... + 9840.

It is an arithmetic number, because the mean of its divisors is an integer number (159887).

2^1018004 is an apocalyptic number.

It is an amenable number.

1018004 is a deficient number, since it is larger than the sum of its proper divisors (900640).

1018004 is a wasteful number, since it uses less digits than its factorization.

1018004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19594 (or 19592 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1018004 is about 1008.9618426878. The cubic root of 1018004 is about 100.5965673304.

The spelling of 1018004 in words is "one million, eighteen thousand, four".