906091 has 8 divisors (see below), whose sum is σ = 965120. Its totient is φ = 848232.

The previous prime is 906089. The next prime is 906107. The reversal of 906091 is 190609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 906091 - 2¹ = 906089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906011) 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 7 ways as a sum of consecutive naturals, for example, 1726 + ... + 2188.

It is an arithmetic number, because the mean of its divisors is an integer number (120640).

2⁹⁰⁶⁰⁹¹ is an apocalyptic number.

906091 is a deficient number, since it is larger than the sum of its proper divisors (59029).

906091 is a wasteful number, since it uses less digits than its factorization.

906091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 906091 is about 951.8881236784. Note that the first 3 decimals coincide. The cubic root of 906091 is about 96.7662561961.

The spelling of 906091 in words is "nine hundred six thousand, ninety-one".