3523655 has 4 divisors (see below), whose sum is σ = 4228392. Its totient is φ = 2818920.

The previous prime is 3523651. The next prime is 3523691. The reversal of 3523655 is 5563253.

It is a happy number.

3523655 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, and also an emirpimes, since its reverse is a distinct semiprime: 5563253 = 571 ⋅9743.

It is not a de Polignac number, because 3523655 - 2² = 3523651 is a prime.

It is a super-2 number, since 2×3523655² = 24832289118050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3523651) 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, 352361 + ... + 352370.

It is an arithmetic number, because the mean of its divisors is an integer number (1057098).

Almost surely, 2^3523655 is an apocalyptic number.

3523655 is a deficient number, since it is larger than the sum of its proper divisors (704737).

3523655 is an equidigital number, since it uses as much as digits as its factorization.

3523655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704736.

The product of its digits is 13500, while the sum is 29.

The square root of 3523655 is about 1877.1401119789. The cubic root of 3523655 is about 152.1707309420.

The spelling of 3523655 in words is "three million, five hundred twenty-three thousand, six hundred fifty-five".