906993 has 12 divisors (see below), whose sum is σ = 1319760. Its totient is φ = 600216.

The previous prime is 906973. The next prime is 907019. The reversal of 906993 is 399609.

It is not a de Polignac number, because 906993 - 2⁶ = 906929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (906923) 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 11 ways as a sum of consecutive naturals, for example, 1330 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (109980).

2⁹⁰⁶⁹⁹³ is an apocalyptic number.

It is an amenable number.

906993 is a deficient number, since it is larger than the sum of its proper divisors (412767).

906993 is a wasteful number, since it uses less digits than its factorization.

906993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 906993 is about 952.3618009979. The cubic root of 906993 is about 96.7983553326.

The spelling of 906993 in words is "nine hundred six thousand, nine hundred ninety-three".