1008404 has 6 divisors (see below), whose sum is σ = 1764714. Its totient is φ = 504200.

The previous prime is 1008401. The next prime is 1008407. The reversal of 1008404 is 4048001.

It is a happy number.

1008404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1008401) and next prime (1008407).

It can be written as a sum of positive squares in only one way, i.e., 559504 + 448900 = 748^2 + 670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126047 + ... + 126054.

It is an arithmetic number, because the mean of its divisors is an integer number (294119).

2^1008404 is an apocalyptic number.

It is an amenable number.

1008404 is a deficient number, since it is larger than the sum of its proper divisors (756310).

1008404 is a wasteful number, since it uses less digits than its factorization.

1008404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252105 (or 252103 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1008404 is about 1004.1932085012. The cubic root of 1008404 is about 100.2793522300.

The spelling of 1008404 in words is "one million, eight thousand, four hundred four".