3642015 has 32 divisors (see below), whose sum is σ = 6612480. Its totient is φ = 1696896.

The previous prime is 3641999. The next prime is 3642019. The reversal of 3642015 is 5102463.

It is a happy number.

It is not a de Polignac number, because 3642015 - 2⁴ = 3641999 is a prime.

3642015 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3641982 and 3642000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3214 + ... + 4196.

It is an arithmetic number, because the mean of its divisors is an integer number (206640).

Almost surely, 2^3642015 is an apocalyptic number.

3642015 is a deficient number, since it is larger than the sum of its proper divisors (2970465).

3642015 is a wasteful number, since it uses less digits than its factorization.

3642015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3642015 is about 1908.4064032590. The cubic root of 3642015 is about 153.8558132076.

Adding to 3642015 its reverse (5102463), we get a palindrome (8744478).

The spelling of 3642015 in words is "three million, six hundred forty-two thousand, fifteen".