3404820 has 24 divisors (see below), whose sum is σ = 9533664. Its totient is φ = 907936.

The previous prime is 3404801. The next prime is 3404827. The reversal of 3404820 is 284043.

It is a happy number.

3404820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28314 + ... + 28433.

It is an arithmetic number, because the mean of its divisors is an integer number (397236).

Almost surely, 2^3404820 is an apocalyptic number.

3404820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3404820 is an abundant number, since it is smaller than the sum of its proper divisors (6128844).

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

3404820 is a wasteful number, since it uses less digits than its factorization.

3404820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56759 (or 56757 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3404820 is about 1845.2154345767. The cubic root of 3404820 is about 150.4404830098.

Adding to 3404820 its reverse (284043), we get a palindrome (3688863).

It can be divided in two parts, 3404 and 820, that added together give a palindrome (4224).

The spelling of 3404820 in words is "three million, four hundred four thousand, eight hundred twenty".