1009004 has 12 divisors (see below), whose sum is σ = 1776264. Its totient is φ = 501504.

The previous prime is 1008991. The next prime is 1009007. The reversal of 1009004 is 4009001.

It is a self number, because there is not a number n which added to its sum of digits gives 1009004.

It is not an unprimeable number, because it can be changed into a prime (1009007) 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, 119 + ... + 1425.

It is an arithmetic number, because the mean of its divisors is an integer number (148022).

2^1009004 is an apocalyptic number.

It is an amenable number.

1009004 is a deficient number, since it is larger than the sum of its proper divisors (767260).

1009004 is a wasteful number, since it uses less digits than its factorization.

1009004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1009004 is about 1004.4919113661. The cubic root of 1009004 is about 100.2992370123.

The spelling of 1009004 in words is "one million, nine thousand, four".