906823 has 2 divisors, whose sum is σ = 906824. Its totient is φ = 906822.

The previous prime is 906817. The next prime is 906839. The reversal of 906823 is 328609.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 906791 and 906800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453411 + 453412.

It is an arithmetic number, because the mean of its divisors is an integer number (453412).

2⁹⁰⁶⁸²³ is an apocalyptic number.

906823 is a deficient number, since it is larger than the sum of its proper divisors (1).

906823 is an equidigital number, since it uses as much as digits as its factorization.

906823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 906823 is about 952.2725450206. The cubic root of 906823 is about 96.7923072342.

The spelling of 906823 in words is "nine hundred six thousand, eight hundred twenty-three".