3646672 has 20 divisors (see below), whose sum is σ = 7187040. Its totient is φ = 1791968.

The previous prime is 3646661. The next prime is 3646681. The reversal of 3646672 is 2766463.

3646672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3⁴ + 6³ + 4⁹ + 6⁸ + 6⁸ + 7⁵ + 2¹³ .

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 988 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (359352).

Almost surely, 2^3646672 is an apocalyptic number.

It is an amenable number.

3646672 is a deficient number, since it is larger than the sum of its proper divisors (3540368).

3646672 is a wasteful number, since it uses less digits than its factorization.

3646672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930 (or 3924 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 3646672 is about 1909.6261414214. The cubic root of 3646672 is about 153.9213631246.

The spelling of 3646672 in words is "three million, six hundred forty-six thousand, six hundred seventy-two".