3643412 has 6 divisors (see below), whose sum is σ = 6375978. Its totient is φ = 1821704.

The previous prime is 3643411. The next prime is 3643429. The reversal of 3643412 is 2143463.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3334276 + 309136 = 1826^2 + 556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455423 + ... + 455430.

It is an arithmetic number, because the mean of its divisors is an integer number (1062663).

Almost surely, 2^3643412 is an apocalyptic number.

It is an amenable number.

3643412 is a deficient number, since it is larger than the sum of its proper divisors (2732566).

3643412 is a wasteful number, since it uses less digits than its factorization.

3643412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910857 (or 910855 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 3643412 is about 1908.7723803534. The cubic root of 3643412 is about 153.8754826393.

Adding to 3643412 its reverse (2143463), we get a palindrome (5786875).

The spelling of 3643412 in words is "three million, six hundred forty-three thousand, four hundred twelve".