3648772 has 6 divisors (see below), whose sum is σ = 6385358. Its totient is φ = 1824384.

The previous prime is 3648769. The next prime is 3648781. The reversal of 3648772 is 2778463.

3648772 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3218436 + 430336 = 1794^2 + 656^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456093 + ... + 456100.

Almost surely, 2^3648772 is an apocalyptic number.

It is an amenable number.

3648772 is a deficient number, since it is larger than the sum of its proper divisors (2736586).

3648772 is a wasteful number, since it uses less digits than its factorization.

3648772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912197 (or 912195 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 3648772 is about 1910.1759081299. The cubic root of 3648772 is about 153.9509035600.

The spelling of 3648772 in words is "three million, six hundred forty-eight thousand, seven hundred seventy-two".