4889780 has 48 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 1642368.

The previous prime is 4889771. The next prime is 4889789. The reversal of 4889780 is 879884.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4889771) and next prime (4889789).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4889789) 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 15 ways as a sum of consecutive naturals, for example, 7091 + ... + 7749.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^4889780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4889780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5987520).

4889780 is an abundant number, since it is smaller than the sum of its proper divisors (7085260).

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

4889780 is a wasteful number, since it uses less digits than its factorization.

4889780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 4889780 is about 2211.2846944706. The cubic root of 4889780 is about 169.7317568924.

The spelling of 4889780 in words is "four million, eight hundred eighty-nine thousand, seven hundred eighty".