3240504 has 24 divisors (see below), whose sum is σ = 8776560. Its totient is φ = 1080144.

The previous prime is 3240499. The next prime is 3240527. The reversal of 3240504 is 4050423.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22432 + ... + 22575.

It is an arithmetic number, because the mean of its divisors is an integer number (365690).

Almost surely, 2^3240504 is an apocalyptic number.

It is an amenable number.

3240504 is an abundant number, since it is smaller than the sum of its proper divisors (5536056).

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

3240504 is a wasteful number, since it uses less digits than its factorization.

3240504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45019 (or 45012 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3240504 is about 1800.1399945560. The cubic root of 3240504 is about 147.9803967218.

Adding to 3240504 its reverse (4050423), we get a palindrome (7290927).

The spelling of 3240504 in words is "three million, two hundred forty thousand, five hundred four".