3696557 has 2 divisors, whose sum is σ = 3696558. Its totient is φ = 3696556.

The previous prime is 3696551. The next prime is 3696577. The reversal of 3696557 is 7556963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1990921 + 1705636 = 1411^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 3696557 - 2⁶ = 3696493 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3 + 6⁴ + 9⁵ + 6⁸ + 5⁵ + 5⁹ + 7³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3696551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1848278 + 1848279.

It is an arithmetic number, because the mean of its divisors is an integer number (1848279).

Almost surely, 2^3696557 is an apocalyptic number.

It is an amenable number.

3696557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3696557 is an equidigital number, since it uses as much as digits as its factorization.

3696557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 41.

The square root of 3696557 is about 1922.6432326357. The cubic root of 3696557 is about 154.6200475289.

The spelling of 3696557 in words is "three million, six hundred ninety-six thousand, five hundred fifty-seven".