4809889 has 16 divisors (see below), whose sum is σ = 5776000. Its totient is φ = 4000752.

The previous prime is 4809881. The next prime is 4809901. The reversal of 4809889 is 9889084.

It is not a de Polignac number, because 4809889 - 2³ = 4809881 is a prime.

It is a super-3 number, since 3×4809889³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4809881) 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, 12502 + ... + 12880.

It is an arithmetic number, because the mean of its divisors is an integer number (361000).

Almost surely, 2^4809889 is an apocalyptic number.

4809889 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4809889 is a deficient number, since it is larger than the sum of its proper divisors (966111).

4809889 is an equidigital number, since it uses as much as digits as its factorization.

4809889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 4809889 is about 2193.1459139784. The cubic root of 4809889 is about 168.8022967313.

The spelling of 4809889 in words is "four million, eight hundred nine thousand, eight hundred eighty-nine".