906849 has 8 divisors (see below), whose sum is σ = 1343520. Its totient is φ = 604548.

The previous prime is 906847. The next prime is 906869. The reversal of 906849 is 948609.

It is not a de Polignac number, because 906849 - 2¹ = 906847 is a prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (906847) 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 7 ways as a sum of consecutive naturals, for example, 16767 + ... + 16820.

It is an arithmetic number, because the mean of its divisors is an integer number (167940).

2⁹⁰⁶⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

906849 is a deficient number, since it is larger than the sum of its proper divisors (436671).

906849 is a wasteful number, since it uses less digits than its factorization.

906849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33596 (or 33590 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 906849 is about 952.2861964767. The cubic root of 906849 is about 96.7932322865.

The spelling of 906849 in words is "nine hundred six thousand, eight hundred forty-nine".