3621696 has 56 divisors (see below), whose sum is σ = 10326624. Its totient is φ = 1113600.

The previous prime is 3621691. The next prime is 3621701. The reversal of 3621696 is 6961263.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3621691) and next prime (3621701).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1771 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (184404).

Almost surely, 2^3621696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3621696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5163312).

3621696 is an abundant number, since it is smaller than the sum of its proper divisors (6704928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3621696 is a wasteful number, since it uses less digits than its factorization.

3621696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1469 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 3621696 is about 1903.0754057577. The cubic root of 3621696 is about 153.5691561332.

The spelling of 3621696 in words is "three million, six hundred twenty-one thousand, six hundred ninety-six".