1039904 has 12 divisors (see below), whose sum is σ = 2047374. Its totient is φ = 519936.

The previous prime is 1039901. The next prime is 1039921. The reversal of 1039904 is 4099301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 300304 = 860^2 + 548^2 .

It is not an unprimeable number, because it can be changed into a prime (1039901) 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 as a sum of consecutive naturals, namely, 16217 + ... + 16280.

2^1039904 is an apocalyptic number.

It is an amenable number.

1039904 is a deficient number, since it is larger than the sum of its proper divisors (1007470).

1039904 is an equidigital number, since it uses as much as digits as its factorization.

1039904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32507 (or 32499 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1039904 is about 1019.7568337599. The cubic root of 1039904 is about 101.3128228725.

The spelling of 1039904 in words is "one million, thirty-nine thousand, nine hundred four".