3643732 has 12 divisors (see below), whose sum is σ = 6392736. Its totient is φ = 1817240.

The previous prime is 3643721. The next prime is 3643733. The reversal of 3643732 is 2373463.

It is a d-powerful number, because it can be written as 3² + 6 + 4¹⁰ + 3¹¹ + 7⁷ + 3¹³ + 2⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 3643732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (532728).

Almost surely, 2^3643732 is an apocalyptic number.

It is an amenable number.

3643732 is a deficient number, since it is larger than the sum of its proper divisors (2749004).

3643732 is a wasteful number, since it uses less digits than its factorization.

3643732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2316 counting only the distinct ones).

The product of its digits is 9072, while the sum is 28.

The square root of 3643732 is about 1908.8562020226. The cubic root of 3643732 is about 153.8799874563.

It can be divided in two parts, 364 and 3732, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3643732 in words is "three million, six hundred forty-three thousand, seven hundred thirty-two".