3636601 has 4 divisors (see below), whose sum is σ = 3642100. Its totient is φ = 3631104.

The previous prime is 3636593. The next prime is 3636617. The reversal of 3636601 is 1066363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1066363 = 499 ⋅2137.

It can be written as a sum of positive squares in 2 ways, for example, as 577600 + 3059001 = 760^2 + 1749^2 .

It is a cyclic number.

It is not a de Polignac number, because 3636601 - 2³ = 3636593 is a prime.

It is a Duffinian number.

3636601 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3636631) 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, 1596 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (910525).

Almost surely, 2^3636601 is an apocalyptic number.

It is an amenable number.

3636601 is a deficient number, since it is larger than the sum of its proper divisors (5499).

3636601 is an equidigital number, since it uses as much as digits as its factorization.

3636601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3636601 is about 1906.9874147461. The cubic root of 3636601 is about 153.7795378066.

The spelling of 3636601 in words is "three million, six hundred thirty-six thousand, six hundred one".