3637216 has 24 divisors (see below), whose sum is σ = 7812504. Its totient is φ = 1653120.

The previous prime is 3637187. The next prime is 3637217. The reversal of 3637216 is 6127363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3637217) 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, 4815 + ... + 5518.

It is an arithmetic number, because the mean of its divisors is an integer number (325521).

Almost surely, 2^3637216 is an apocalyptic number.

It is an amenable number.

3637216 is an abundant number, since it is smaller than the sum of its proper divisors (4175288).

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

3637216 is a wasteful number, since it uses less digits than its factorization.

3637216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10354 (or 10346 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 3637216 is about 1907.1486570270. The cubic root of 3637216 is about 153.7882060735.

The spelling of 3637216 in words is "three million, six hundred thirty-seven thousand, two hundred sixteen".