3641215 has 8 divisors (see below), whose sum is σ = 4379760. Its totient is φ = 2906112.

The previous prime is 3641201. The next prime is 3641219. The reversal of 3641215 is 5121463.

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

It is a cyclic number.

It is not a de Polignac number, because 3641215 - 2²¹ = 1544063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3372 + ... + 4318.

It is an arithmetic number, because the mean of its divisors is an integer number (547470).

Almost surely, 2^3641215 is an apocalyptic number.

3641215 is a deficient number, since it is larger than the sum of its proper divisors (738545).

3641215 is an equidigital number, since it uses as much as digits as its factorization.

3641215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721.

The product of its digits is 720, while the sum is 22.

The square root of 3641215 is about 1908.1967927863. The cubic root of 3641215 is about 153.8445471307.

Adding to 3641215 its reverse (5121463), we get a palindrome (8762678).

The spelling of 3641215 in words is "three million, six hundred forty-one thousand, two hundred fifteen".