906040 has 16 divisors (see below), whose sum is σ = 2038680. Its totient is φ = 362400.

The previous prime is 906029. The next prime is 906043. The reversal of 906040 is 40609.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 905999 and 906017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906043) 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, 11286 + ... + 11365.

2⁹⁰⁶⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

906040 is an abundant number, since it is smaller than the sum of its proper divisors (1132640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

906040 is a wasteful number, since it uses less digits than its factorization.

906040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22662 (or 22658 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 906040 is about 951.8613344390. The cubic root of 906040 is about 96.7644406420.

Adding to 906040 its reverse (40609), we get a palindrome (946649).

The spelling of 906040 in words is "nine hundred six thousand, forty".