3651204 has 24 divisors (see below), whose sum is σ = 8890560. Its totient is φ = 1164064.

The previous prime is 3651191. The next prime is 3651217. The reversal of 3651204 is 4021563.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3651191) and next prime (3651217).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6339 + ... + 6890.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

Almost surely, 2^3651204 is an apocalyptic number.

It is an amenable number.

3651204 is an abundant number, since it is smaller than the sum of its proper divisors (5239356).

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

3651204 is a wasteful number, since it uses less digits than its factorization.

3651204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13259 (or 13257 counting only the distinct ones).

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

The square root of 3651204 is about 1910.8123926749. The cubic root of 3651204 is about 153.9851000370.

Adding to 3651204 its reverse (4021563), we get a palindrome (7672767).

The spelling of 3651204 in words is "three million, six hundred fifty-one thousand, two hundred four".