4809393 has 12 divisors (see below), whose sum is σ = 7009860. Its totient is φ = 3177216.

The previous prime is 4809383. The next prime is 4809401. The reversal of 4809393 is 3939084.

4809393 is a `hidden beast` number, since 480 + 93 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91809 + 4717584 = 303^2 + 2172^2 .

It is not a de Polignac number, because 4809393 - 2⁴ = 4809377 is a prime.

It is a super-3 number, since 3×4809393³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4809383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348 + ... + 3381.

It is an arithmetic number, because the mean of its divisors is an integer number (584155).

Almost surely, 2^4809393 is an apocalyptic number.

It is an amenable number.

4809393 is a deficient number, since it is larger than the sum of its proper divisors (2200467).

4809393 is a wasteful number, since it uses less digits than its factorization.

4809393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848 (or 4845 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 4809393 is about 2193.0328314916. The cubic root of 4809393 is about 168.7964941846.

The spelling of 4809393 in words is "four million, eight hundred nine thousand, three hundred ninety-three".