4402840 has 32 divisors (see below), whose sum is σ = 10669680. Its totient is φ = 1625472.

The previous prime is 4402831. The next prime is 4402841. The reversal of 4402840 is 482044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4402841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3714 + ... + 4753.

Almost surely, 2^4402840 is an apocalyptic number.

4402840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4402840 is an abundant number, since it is smaller than the sum of its proper divisors (6266840).

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

4402840 is a wasteful number, since it uses less digits than its factorization.

4402840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8491 (or 8487 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 4402840 is about 2098.2945455774. The cubic root of 4402840 is about 163.8995021801.

Adding to 4402840 its reverse (482044), we get a palindrome (4884884).

The spelling of 4402840 in words is "four million, four hundred two thousand, eight hundred forty".