3654613 has 4 divisors (see below), whose sum is σ = 3739648. Its totient is φ = 3569580.

The previous prime is 3654587. The next prime is 3654641. The reversal of 3654613 is 3164563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3164563 = 137 ⋅23099.

It is a cyclic number.

It is not a de Polignac number, because 3654613 - 2¹³ = 3646421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654713) 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, 42453 + ... + 42538.

It is an arithmetic number, because the mean of its divisors is an integer number (934912).

Almost surely, 2^3654613 is an apocalyptic number.

It is an amenable number.

3654613 is a deficient number, since it is larger than the sum of its proper divisors (85035).

3654613 is an equidigital number, since it uses as much as digits as its factorization.

3654613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85034.

The product of its digits is 6480, while the sum is 28.

The square root of 3654613 is about 1911.7042135226. The cubic root of 3654613 is about 154.0330086100.

The spelling of 3654613 in words is "three million, six hundred fifty-four thousand, six hundred thirteen".