4889405 has 4 divisors (see below), whose sum is σ = 5867292. Its totient is φ = 3911520.

The previous prime is 4889399. The next prime is 4889407. The reversal of 4889405 is 5049884.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2937796 + 1951609 = 1714^2 + 1397^2 .

It is not a de Polignac number, because 4889405 - 2²⁰ = 3840829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4889407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488936 + ... + 488945.

It is an arithmetic number, because the mean of its divisors is an integer number (1466823).

Almost surely, 2^4889405 is an apocalyptic number.

It is an amenable number.

4889405 is a deficient number, since it is larger than the sum of its proper divisors (977887).

4889405 is an equidigital number, since it uses as much as digits as its factorization.

4889405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977886.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 4889405 is about 2211.1999005065. The cubic root of 4889405 is about 169.7274178400.

The spelling of 4889405 in words is "four million, eight hundred eighty-nine thousand, four hundred five".