4947993 has 8 divisors (see below), whose sum is σ = 7330400. Its totient is φ = 3298644.

The previous prime is 4947991. The next prime is 4948039. The reversal of 4947993 is 3997494.

4947993 is a `hidden beast` number, since 494 + 79 + 93 = 666.

It is not a de Polignac number, because 4947993 - 2¹ = 4947991 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4947991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91603 + ... + 91656.

It is an arithmetic number, because the mean of its divisors is an integer number (916300).

Almost surely, 2^4947993 is an apocalyptic number.

It is an amenable number.

4947993 is a deficient number, since it is larger than the sum of its proper divisors (2382407).

4947993 is a wasteful number, since it uses less digits than its factorization.

4947993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183268 (or 183262 counting only the distinct ones).

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

The square root of 4947993 is about 2224.4084606924. The cubic root of 4947993 is about 170.4026556817.

The spelling of 4947993 in words is "four million, nine hundred forty-seven thousand, nine hundred ninety-three".