4889646 has 24 divisors (see below), whose sum is σ = 10987704. Its totient is φ = 1629720.

The previous prime is 4889641. The next prime is 4889671. The reversal of 4889646 is 6469884.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4889641) 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 11 ways as a sum of consecutive naturals, for example, 4545 + ... + 5516.

It is an arithmetic number, because the mean of its divisors is an integer number (457821).

Almost surely, 2^4889646 is an apocalyptic number.

4889646 is an abundant number, since it is smaller than the sum of its proper divisors (6098058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4889646 is a wasteful number, since it uses less digits than its factorization.

4889646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10078 (or 10066 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 4889646 is about 2211.2543951341. The cubic root of 4889646 is about 169.7302064298.

The spelling of 4889646 in words is "four million, eight hundred eighty-nine thousand, six hundred forty-six".