3652646 has 4 divisors (see below), whose sum is σ = 5478972. Its totient is φ = 1826322.

The previous prime is 3652643. The next prime is 3652661. The reversal of 3652646 is 6462563.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 3⁷ + 6 + 5⁹ + 2⁵ + 6⁴ + 4⁷ + 6⁸ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652643) 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 as a sum of consecutive naturals, namely, 913160 + ... + 913163.

It is an arithmetic number, because the mean of its divisors is an integer number (1369743).

Almost surely, 2^3652646 is an apocalyptic number.

3652646 is a deficient number, since it is larger than the sum of its proper divisors (1826326).

3652646 is a wasteful number, since it uses less digits than its factorization.

3652646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826325.

The product of its digits is 25920, while the sum is 32.

The square root of 3652646 is about 1911.1896818474. The cubic root of 3652646 is about 154.0053689026.

The spelling of 3652646 in words is "three million, six hundred fifty-two thousand, six hundred forty-six".