4809345 has 16 divisors (see below), whose sum is σ = 7722432. Its totient is φ = 2555840.

The previous prime is 4809319. The next prime is 4809347. The reversal of 4809345 is 5439084.

It is not a de Polignac number, because 4809345 - 2⁶ = 4809281 is a prime.

It is a super-3 number, since 3×4809345³ (a number of 21 digits) contains 333 as substring.

4809345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4809347) 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, 7039 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (482652).

Almost surely, 2^4809345 is an apocalyptic number.

It is an amenable number.

4809345 is a deficient number, since it is larger than the sum of its proper divisors (2913087).

4809345 is a wasteful number, since it uses less digits than its factorization.

4809345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 4809345 is about 2193.0218877157. The cubic root of 4809345 is about 168.7959326266.

The spelling of 4809345 in words is "four million, eight hundred nine thousand, three hundred forty-five".