4420000 has 120 divisors (see below), whose sum is σ = 12399156. Its totient is φ = 1536000.

The previous prime is 4419991. The next prime is 4420001. The reversal of 4420000 is 244.

It can be written as a sum of positive squares in 10 ways, for example, as 467856 + 3952144 = 684^2 + 1988^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 259992 + ... + 260008.

Almost surely, 2^4420000 is an apocalyptic number.

4420000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6199578).

4420000 is an abundant number, since it is smaller than the sum of its proper divisors (7979156).

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

4420000 is a wasteful number, since it uses less digits than its factorization.

4420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 4420000 is about 2102.3796041629. The cubic root of 4420000 is about 164.1121580596.

Adding to 4420000 its reverse (244), we get a palindrome (4420244).

The spelling of 4420000 in words is "four million, four hundred twenty thousand".