3773216 has 24 divisors (see below), whose sum is σ = 7554204. Its totient is φ = 1854720.

The previous prime is 3773213. The next prime is 3773221. The reversal of 3773216 is 6123773.

3773216 = T₂₃₁ + T₂₃₂ + ... + T₃₂₆.

It can be written as a sum of positive squares in 2 ways, for example, as 3610000 + 163216 = 1900^2 + 404^2 .

It is not an unprimeable number, because it can be changed into a prime (3773213) 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, 986 + ... + 2918.

Almost surely, 2^3773216 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 3773216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3777102).

3773216 is an abundant number, since it is smaller than the sum of its proper divisors (3780988).

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

3773216 is a wasteful number, since it uses less digits than its factorization.

3773216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 1996 counting only the distinct ones).

The product of its digits is 5292, while the sum is 29.

The square root of 3773216 is about 1942.4767694879. The cubic root of 3773216 is about 155.6815770914.

Adding to 3773216 its reverse (6123773), we get a palindrome (9896989).

The spelling of 3773216 in words is "three million, seven hundred seventy-three thousand, two hundred sixteen".