3648712 has 16 divisors (see below), whose sum is σ = 6889500. Its totient is φ = 1811520.

The previous prime is 3648707. The next prime is 3648739. The reversal of 3648712 is 2178463.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 15876 = 1906^2 + 126^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339 + ... + 2722.

Almost surely, 2^3648712 is an apocalyptic number.

It is an amenable number.

3648712 is a deficient number, since it is larger than the sum of its proper divisors (3240788).

3648712 is a wasteful number, since it uses less digits than its factorization.

3648712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216 (or 3212 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 3648712 is about 1910.1602027055. The cubic root of 3648712 is about 153.9500597049.

The spelling of 3648712 in words is "three million, six hundred forty-eight thousand, seven hundred twelve".