3641015 has 16 divisors (see below), whose sum is σ = 5211648. Its totient is φ = 2387616.

The previous prime is 3640999. The next prime is 3641041. The reversal of 3641015 is 5101463.

It is not a de Polignac number, because 3641015 - 2⁴ = 3640999 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457 + ... + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (325728).

Almost surely, 2^3641015 is an apocalyptic number.

3641015 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3641015 is a deficient number, since it is larger than the sum of its proper divisors (1570633).

3641015 is a wasteful number, since it uses less digits than its factorization.

3641015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3641015 is about 1908.1443865704. The cubic root of 3641015 is about 153.8417303536.

Adding to 3641015 its reverse (5101463), we get a palindrome (8742478).

The spelling of 3641015 in words is "three million, six hundred forty-one thousand, fifteen".