3612504 has 32 divisors (see below), whose sum is σ = 10321920. Its totient is φ = 1032096.

The previous prime is 3612503. The next prime is 3612509. The reversal of 3612504 is 4052163.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3612503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10584 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (322560).

Almost surely, 2^3612504 is an apocalyptic number.

It is an amenable number.

3612504 is an abundant number, since it is smaller than the sum of its proper divisors (6709416).

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

3612504 is a wasteful number, since it uses less digits than its factorization.

3612504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21519 (or 21515 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3612504 is about 1900.6588331418. The cubic root of 3612504 is about 153.4391246408.

Adding to 3612504 its reverse (4052163), we get a palindrome (7664667).

The spelling of 3612504 in words is "three million, six hundred twelve thousand, five hundred four".