8763993 has 48 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 4685184.

The previous prime is 8763983. The next prime is 8764001. The reversal of 8763993 is 3993678.

It is a happy number.

8763993 is a `hidden beast` number, since 8 + 7 + 639 + 9 + 3 = 666.

8763993 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 8763993 - 2⁴ = 8763977 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8763973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52396 + ... + 52562.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 2^8763993 is an apocalyptic number.

It is an amenable number.

8763993 is a deficient number, since it is larger than the sum of its proper divisors (6960807).

8763993 is a wasteful number, since it uses less digits than its factorization.

8763993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 194 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 8763993 is about 2960.4041953760. The cubic root of 8763993 is about 206.1740524780.

The spelling of 8763993 in words is "eight million, seven hundred sixty-three thousand, nine hundred ninety-three".