906490 has 32 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 316224.

The previous prime is 906487. The next prime is 906497. The reversal of 906490 is 94609.

It is not an unprimeable number, because it can be changed into a prime (906497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2287 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2⁹⁰⁶⁴⁹⁰ is an apocalyptic number.

906490 is an abundant number, since it is smaller than the sum of its proper divisors (948230).

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

906490 is a wasteful number, since it uses less digits than its factorization.

906490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 906490 is about 952.0976840640. The cubic root of 906490 is about 96.7804578860.

The spelling of 906490 in words is "nine hundred six thousand, four hundred ninety".