3685963 has 2 divisors, whose sum is σ = 3685964. Its totient is φ = 3685962.

The previous prime is 3685951. The next prime is 3685973. The reversal of 3685963 is 3695863.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3685963 - 2¹³ = 3677771 is a prime.

It is not a weakly prime, because it can be changed into another prime (3685973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842981 + 1842982.

It is an arithmetic number, because the mean of its divisors is an integer number (1842982).

Almost surely, 2^3685963 is an apocalyptic number.

3685963 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685963 is an equidigital number, since it uses as much as digits as its factorization.

3685963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 40.

The square root of 3685963 is about 1919.8861945438. The cubic root of 3685963 is about 154.4721971455.

The spelling of 3685963 in words is "three million, six hundred eighty-five thousand, nine hundred sixty-three".