4429780 has 12 divisors (see below), whose sum is σ = 9302580. Its totient is φ = 1771904.

The previous prime is 4429771. The next prime is 4429783. The reversal of 4429780 is 879244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2033476 + 2396304 = 1426^2 + 1548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4429783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110725 + ... + 110764.

It is an arithmetic number, because the mean of its divisors is an integer number (775215).

Almost surely, 2^4429780 is an apocalyptic number.

It is an amenable number.

4429780 is an abundant number, since it is smaller than the sum of its proper divisors (4872800).

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

4429780 is a wasteful number, since it uses less digits than its factorization.

4429780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221498 (or 221496 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4429780 is about 2104.7042547588. The cubic root of 4429780 is about 164.2331108927.

The spelling of 4429780 in words is "four million, four hundred twenty-nine thousand, seven hundred eighty".