906890 has 16 divisors (see below), whose sum is σ = 1703808. Its totient is φ = 346896.

The previous prime is 906881. The next prime is 906901. The reversal of 906890 is 98609.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (106488).

2⁹⁰⁶⁸⁹⁰ is an apocalyptic number.

906890 is a deficient number, since it is larger than the sum of its proper divisors (796918).

906890 is a wasteful number, since it uses less digits than its factorization.

906890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 906890 is about 952.3077233752. The cubic root of 906890 is about 96.7946909867.

The spelling of 906890 in words is "nine hundred six thousand, eight hundred ninety".