1040404 has 12 divisors (see below), whose sum is σ = 1883700. Its totient is φ = 502208.

The previous prime is 1040387. The next prime is 1040407. The reversal of 1040404 is 4040401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 547600 + 492804 = 740^2 + 702^2 .

It is a pancake number, because a pancake can be divided into 1040404 parts by 1442 straight cuts.

1040404 is a modest number, since divided by 404 gives 104 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040407) 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, 4369 + ... + 4600.

It is an arithmetic number, because the mean of its divisors is an integer number (156975).

2^1040404 is an apocalyptic number.

It is an amenable number.

1040404 is a deficient number, since it is larger than the sum of its proper divisors (843296).

1040404 is a wasteful number, since it uses less digits than its factorization.

1040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9002 (or 9000 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1040404 is about 1020.0019607824. The cubic root of 1040404 is about 101.3290577990.

Adding to 1040404 its reverse (4040401), we get a palindrome (5080805).

It can be divided in two parts, 1040 and 404, that added together give a square (1444 = 38²).

The spelling of 1040404 in words is "one million, forty thousand, four hundred four".