4909980 has 96 divisors (see below), whose sum is σ = 14918400. Its totient is φ = 1202688.

The previous prime is 4909969. The next prime is 4909981. The reversal of 4909980 is 899094.

4909980 = T₁₄₉ + T₁₅₀ + ... + T₃₁₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909981) 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 31 ways as a sum of consecutive naturals, for example, 67224 + ... + 67296.

It is an arithmetic number, because the mean of its divisors is an integer number (155400).

Almost surely, 2^4909980 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 4909980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7459200).

4909980 is an abundant number, since it is smaller than the sum of its proper divisors (10008420).

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

4909980 is a wasteful number, since it uses less digits than its factorization.

4909980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 4909980 is about 2215.8474676746. The cubic root of 4909980 is about 169.9651601037.

The spelling of 4909980 in words is "four million, nine hundred nine thousand, nine hundred eighty".