3696985 has 4 divisors (see below), whose sum is σ = 4436388. Its totient is φ = 2957584.

The previous prime is 3696977. The next prime is 3696989. The reversal of 3696985 is 5896963.

3696985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1996569 + 1700416 = 1413^2 + 1304^2 .

It is a cyclic number.

It is not a de Polignac number, because 3696985 - 2³ = 3696977 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3696989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369694 + ... + 369703.

It is an arithmetic number, because the mean of its divisors is an integer number (1109097).

Almost surely, 2^3696985 is an apocalyptic number.

It is an amenable number.

3696985 is a deficient number, since it is larger than the sum of its proper divisors (739403).

3696985 is an equidigital number, since it uses as much as digits as its factorization.

3696985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739402.

The product of its digits is 349920, while the sum is 46.

The square root of 3696985 is about 1922.7545345155. The cubic root of 3696985 is about 154.6260147778.

The spelling of 3696985 in words is "three million, six hundred ninety-six thousand, nine hundred eighty-five".