3404624 has 20 divisors (see below), whose sum is σ = 6985044. Its totient is φ = 1602048.

The previous prime is 3404579. The next prime is 3404651. The reversal of 3404624 is 4264043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2958400 + 446224 = 1720^2 + 668^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3404624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5987 + ... + 6530.

Almost surely, 2^3404624 is an apocalyptic number.

3404624 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3404624 is an abundant number, since it is smaller than the sum of its proper divisors (3580420).

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

3404624 is a wasteful number, since it uses less digits than its factorization.

3404624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542 (or 12536 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3404624 is about 1845.1623234827. The cubic root of 3404624 is about 150.4375962296.

Adding to 3404624 its reverse (4264043), we get a palindrome (7668667).

The spelling of 3404624 in words is "three million, four hundred four thousand, six hundred twenty-four".