3642245 has 8 divisors (see below), whose sum is σ = 4391160. Its totient is φ = 2900160.

The previous prime is 3642241. The next prime is 3642251. The reversal of 3642245 is 5422463.

It can be written as a sum of positive squares in 4 ways, for example, as 376996 + 3265249 = 614^2 + 1807^2 .

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

It is not a de Polignac number, because 3642245 - 2² = 3642241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642241) 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, 446 + ... + 2735.

It is an arithmetic number, because the mean of its divisors is an integer number (548895).

Almost surely, 2^3642245 is an apocalyptic number.

It is an amenable number.

3642245 is a deficient number, since it is larger than the sum of its proper divisors (748915).

3642245 is a wasteful number, since it uses less digits than its factorization.

3642245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415.

The product of its digits is 5760, while the sum is 26.

The square root of 3642245 is about 1908.4666620091. The cubic root of 3642245 is about 153.8590518994.

The spelling of 3642245 in words is "three million, six hundred forty-two thousand, two hundred forty-five".