3681935 has 4 divisors (see below), whose sum is σ = 4418328. Its totient is φ = 2945544.

The previous prime is 3681917. The next prime is 3681947. The reversal of 3681935 is 5391863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5391863 = 149 ⋅36187.

It is a cyclic number.

It is not a de Polignac number, because 3681935 - 2⁶ = 3681871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3681895 and 3681904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368189 + ... + 368198.

It is an arithmetic number, because the mean of its divisors is an integer number (1104582).

Almost surely, 2^3681935 is an apocalyptic number.

3681935 is a deficient number, since it is larger than the sum of its proper divisors (736393).

3681935 is an equidigital number, since it uses as much as digits as its factorization.

3681935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736392.

The product of its digits is 19440, while the sum is 35.

The square root of 3681935 is about 1918.8368872835. The cubic root of 3681935 is about 154.4159078485.

The spelling of 3681935 in words is "three million, six hundred eighty-one thousand, nine hundred thirty-five".