3763221 has 24 divisors (see below), whose sum is σ = 6307392. Its totient is φ = 1953600.

The previous prime is 3763217. The next prime is 3763229. The reversal of 3763221 is 1223673.

3763221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3763221 - 2² = 3763217 is a prime.

It is a Curzon number.

3763221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3763191 and 3763200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3763229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1801 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (262808).

Almost surely, 2^3763221 is an apocalyptic number.

It is an amenable number.

3763221 is a deficient number, since it is larger than the sum of its proper divisors (2544171).

3763221 is a wasteful number, since it uses less digits than its factorization.

3763221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1502 counting only the distinct ones).

The product of its digits is 1512, while the sum is 24.

The square root of 3763221 is about 1939.9023171284. The cubic root of 3763221 is about 155.5439921299.

Adding to 3763221 its reverse (1223673), we get a palindrome (4986894).

The spelling of 3763221 in words is "three million, seven hundred sixty-three thousand, two hundred twenty-one".