4420340 has 24 divisors (see below), whose sum is σ = 9829512. Its totient is φ = 1664000.

The previous prime is 4420337. The next prime is 4420373. The reversal of 4420340 is 430244.

It can be written as a sum of positive squares in 4 ways, for example, as 77284 + 4343056 = 278^2 + 2084^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6161 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (409563).

Almost surely, 2^4420340 is an apocalyptic number.

It is an amenable number.

4420340 is an abundant number, since it is smaller than the sum of its proper divisors (5409172).

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

4420340 is a wasteful number, since it uses less digits than its factorization.

4420340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027 (or 13025 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4420340 is about 2102.4604633619. The cubic root of 4420340 is about 164.1163659557.

Adding to 4420340 its reverse (430244), we get a palindrome (4850584).

The spelling of 4420340 in words is "four million, four hundred twenty thousand, three hundred forty".