906393 has 8 divisors (see below), whose sum is σ = 1213056. Its totient is φ = 602000.

The previous prime is 906391. The next prime is 906403. The reversal of 906393 is 393609.

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 906393 - 2¹ = 906391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 906393.

It is not an unprimeable number, because it can be changed into a prime (906391) 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, 943 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2⁹⁰⁶³⁹³ is an apocalyptic number.

It is an amenable number.

906393 is a deficient number, since it is larger than the sum of its proper divisors (306663).

906393 is a wasteful number, since it uses less digits than its factorization.

906393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 906393 is about 952.0467425500. The cubic root of 906393 is about 96.7770057283. Note that the first 3 decimals are identical.

The spelling of 906393 in words is "nine hundred six thousand, three hundred ninety-three".