4809427 has 4 divisors (see below), whose sum is σ = 5496496. Its totient is φ = 4122360.

The previous prime is 4809401. The next prime is 4809443. The reversal of 4809427 is 7249084.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4809427 is a prime.

It is a super-3 number, since 3×4809427³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4809392 and 4809401.

It is not an unprimeable number, because it can be changed into a prime (4809457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343524 + ... + 343537.

It is an arithmetic number, because the mean of its divisors is an integer number (1374124).

Almost surely, 2^4809427 is an apocalyptic number.

4809427 is a deficient number, since it is larger than the sum of its proper divisors (687069).

4809427 is an equidigital number, since it uses as much as digits as its factorization.

4809427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687068.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4809427 is about 2193.0405832998. The cubic root of 4809427 is about 168.7968919525.

The spelling of 4809427 in words is "four million, eight hundred nine thousand, four hundred twenty-seven".