3845613 has 4 divisors (see below), whose sum is σ = 5127488. Its totient is φ = 2563740.

The previous prime is 3845593. The next prime is 3845651. The reversal of 3845613 is 3165483.

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.

It is not a de Polignac number, because 3845613 - 2⁶ = 3845549 is a prime.

It is a D-number.

It is a Duffinian number.

3845613 is a lucky number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845663) 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, 640933 + ... + 640938.

It is an arithmetic number, because the mean of its divisors is an integer number (1281872).

Almost surely, 2^3845613 is an apocalyptic number.

It is an amenable number.

3845613 is a deficient number, since it is larger than the sum of its proper divisors (1281875).

3845613 is a wasteful number, since it uses less digits than its factorization.

3845613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281874.

The product of its digits is 8640, while the sum is 30.

The square root of 3845613 is about 1961.0234572794. The cubic root of 3845613 is about 156.6709676401.

The spelling of 3845613 in words is "three million, eight hundred forty-five thousand, six hundred thirteen".