3872015 has 8 divisors (see below), whose sum is σ = 5310240. Its totient is φ = 2655072.

The previous prime is 3871969. The next prime is 3872017. The reversal of 3872015 is 5102783.

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

It is not a de Polignac number, because 3872015 - 2⁸ = 3871759 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872017) 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, 55280 + ... + 55349.

It is an arithmetic number, because the mean of its divisors is an integer number (663780).

Almost surely, 2^3872015 is an apocalyptic number.

3872015 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3872015 is a deficient number, since it is larger than the sum of its proper divisors (1438225).

3872015 is a wasteful number, since it uses less digits than its factorization.

3872015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110641.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 3872015 is about 1967.7436316756. The cubic root of 3872015 is about 157.0286909849.

Adding to 3872015 its reverse (5102783), we get a palindrome (8974798).

The spelling of 3872015 in words is "three million, eight hundred seventy-two thousand, fifteen".