3623424 has 80 divisors (see below), whose sum is σ = 11064768. Its totient is φ = 1032192.

The previous prime is 3623423. The next prime is 3623441. The reversal of 3623424 is 4243263.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3623394 and 3623403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3623423) 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, 10584 + ... + 10920.

Almost surely, 2^3623424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3623424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5532384).

3623424 is an abundant number, since it is smaller than the sum of its proper divisors (7441344).

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

3623424 is an equidigital number, since it uses as much as digits as its factorization.

3623424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 349 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 3623424 is about 1903.5293535956. The cubic root of 3623424 is about 153.5935761202.

Adding to 3623424 its reverse (4243263), we get a palindrome (7866687).

The spelling of 3623424 in words is "three million, six hundred twenty-three thousand, four hundred twenty-four".