3685393 has 4 divisors (see below), whose sum is σ = 3691120. Its totient is φ = 3679668.

The previous prime is 3685387. The next prime is 3685403. The reversal of 3685393 is 3935863.

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: 3935863 = 197 ⋅19979.

It is a cyclic number.

It is not a de Polignac number, because 3685393 - 2⁹ = 3684881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3685303) 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, 1755 + ... + 3232.

It is an arithmetic number, because the mean of its divisors is an integer number (922780).

Almost surely, 2^3685393 is an apocalyptic number.

It is an amenable number.

3685393 is a deficient number, since it is larger than the sum of its proper divisors (5727).

3685393 is an equidigital number, since it uses as much as digits as its factorization.

3685393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726.

The product of its digits is 58320, while the sum is 37.

The square root of 3685393 is about 1919.7377425055. The cubic root of 3685393 is about 154.4642341707.

The spelling of 3685393 in words is "three million, six hundred eighty-five thousand, three hundred ninety-three".