3657412 has 24 divisors (see below), whose sum is σ = 7060032. Its totient is φ = 1644000.

The previous prime is 3657383. The next prime is 3657419. The reversal of 3657412 is 2147563.

It is not an unprimeable number, because it can be changed into a prime (3657419) 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, 4033 + ... + 4855.

It is an arithmetic number, because the mean of its divisors is an integer number (294168).

Almost surely, 2^3657412 is an apocalyptic number.

It is an amenable number.

3657412 is a deficient number, since it is larger than the sum of its proper divisors (3402620).

3657412 is a wasteful number, since it uses less digits than its factorization.

3657412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 937 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 3657412 is about 1912.4361427248. The cubic root of 3657412 is about 154.0723222456.

It can be divided in two parts, 365 and 7412, that added together give a palindrome (7777).

The spelling of 3657412 in words is "three million, six hundred fifty-seven thousand, four hundred twelve".