3654243 has 6 divisors (see below), whose sum is σ = 5278364. Its totient is φ = 2436156.

The previous prime is 3654227. The next prime is 3654317. The reversal of 3654243 is 3424563.

3654243 is a `hidden beast` number, since 3 + 654 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 3654243 - 2⁴ = 3654227 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 6⁶ + 5⁹ + 4³ + 2 + 4⁵ + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3654143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203005 + ... + 203022.

Almost surely, 2^3654243 is an apocalyptic number.

3654243 is a deficient number, since it is larger than the sum of its proper divisors (1624121).

3654243 is a wasteful number, since it uses less digits than its factorization.

3654243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406033 (or 406030 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 3654243 is about 1911.6074387803. The cubic root of 3654243 is about 154.0278102359.

It can be divided in two parts, 36542 and 43, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 3654243 in words is "three million, six hundred fifty-four thousand, two hundred forty-three".