906863 has 4 divisors (see below), whose sum is σ = 910728. Its totient is φ = 903000.

The previous prime is 906847. The next prime is 906869. The reversal of 906863 is 368609.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 906863 - 2⁴ = 906847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (227682).

2⁹⁰⁶⁸⁶³ is an apocalyptic number.

906863 is a deficient number, since it is larger than the sum of its proper divisors (3865).

906863 is a wasteful number, since it uses less digits than its factorization.

906863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 906863 is about 952.2935471796. The cubic root of 906863 is about 96.7937303842.

The spelling of 906863 in words is "nine hundred six thousand, eight hundred sixty-three".