3523646 has 32 divisors (see below), whose sum is σ = 6524928. Its totient is φ = 1393920.

The previous prime is 3523627. The next prime is 3523649. The reversal of 3523646 is 6463253.

3523646 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3523646² = 24832162266632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

3523646 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3523649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9806 + ... + 10158.

It is an arithmetic number, because the mean of its divisors is an integer number (203904).

Almost surely, 2^3523646 is an apocalyptic number.

3523646 is a deficient number, since it is larger than the sum of its proper divisors (3001282).

3523646 is a wasteful number, since it uses less digits than its factorization.

3523646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its digits is 12960, while the sum is 29.

The square root of 3523646 is about 1877.1377147135. The cubic root of 3523646 is about 152.1706013855.

Adding to 3523646 its reverse (6463253), we get a palindrome (9986899).

The spelling of 3523646 in words is "three million, five hundred twenty-three thousand, six hundred forty-six".