940904 has 16 divisors (see below), whose sum is σ = 1774500. Its totient is φ = 467712.

The previous prime is 940903. The next prime is 940913. The reversal of 940904 is 409049.

It can be written as a sum of positive squares in 2 ways, for example, as 940900 + 4 = 970^2 + 2^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (940903) 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 in 3 ways as a sum of consecutive naturals, for example, 2522 + ... + 2870.

2⁹⁴⁰⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

940904 is a deficient number, since it is larger than the sum of its proper divisors (833596).

940904 is a wasteful number, since it uses less digits than its factorization.

940904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 940904 is about 970.0020618535. The cubic root of 940904 is about 97.9900031452.

The spelling of 940904 in words is "nine hundred forty thousand, nine hundred four".