3522646 has 8 divisors (see below), whose sum is σ = 5406984. Its totient is φ = 1720320.

The previous prime is 3522643. The next prime is 3522647. The reversal of 3522646 is 6462253.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522641) 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, 20395 + ... + 20566.

It is an arithmetic number, because the mean of its divisors is an integer number (675873).

Almost surely, 2^3522646 is an apocalyptic number.

3522646 is a deficient number, since it is larger than the sum of its proper divisors (1884338).

3522646 is a wasteful number, since it uses less digits than its factorization.

3522646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41006.

The product of its digits is 8640, while the sum is 28.

The square root of 3522646 is about 1876.8713328303. The cubic root of 3522646 is about 152.1562048391.

Adding to 3522646 its reverse (6462253), we get a palindrome (9984899).

The spelling of 3522646 in words is "three million, five hundred twenty-two thousand, six hundred forty-six".