663093 has 16 divisors (see below), whose sum is σ = 1008000. Its totient is φ = 430560.

The previous prime is 663071. The next prime is 663097. The reversal of 663093 is 390366.

663093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 663093 - 2¹² = 658997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808 + ... + 1406.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2⁶⁶³⁰⁹³ is an apocalyptic number.

It is an amenable number.

663093 is a deficient number, since it is larger than the sum of its proper divisors (344907).

663093 is a wasteful number, since it uses less digits than its factorization.

663093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 663093 is about 814.3052253302. The cubic root of 663093 is about 87.2016724562.

The spelling of 663093 in words is "six hundred sixty-three thousand, ninety-three".