3404320 has 24 divisors (see below), whose sum is σ = 8043084. Its totient is φ = 1361664.

The previous prime is 3404311. The next prime is 3404321. The reversal of 3404320 is 234043.

It can be written as a sum of positive squares in 2 ways, for example, as 2999824 + 404496 = 1732^2 + 636^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3404294 and 3404303.

It is not an unprimeable number, because it can be changed into a prime (3404321) 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, 10479 + ... + 10798.

Almost surely, 2^3404320 is an apocalyptic number.

It is an amenable number.

3404320 is an abundant number, since it is smaller than the sum of its proper divisors (4638764).

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

3404320 is a wasteful number, since it uses less digits than its factorization.

3404320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21292 (or 21284 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3404320 is about 1845.0799440675. The cubic root of 3404320 is about 150.4331185555.

Adding to 3404320 its reverse (234043), we get a palindrome (3638363).

The spelling of 3404320 in words is "three million, four hundred four thousand, three hundred twenty".