4063215 has 32 divisors (see below), whose sum is σ = 7128576. Its totient is φ = 1964160.

The previous prime is 4063211. The next prime is 4063217. The reversal of 4063215 is 5123604.

It is a happy number.

4063215 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 4063215 - 2² = 4063211 is a prime.

It is a super-2 number, since 2×4063215² = 33019432272450, which contains 22 as substring.

4063215 is a lucky number.

It is a zygodrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 4063191 and 4063200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4063211) 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, 12910 + ... + 13220.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

Almost surely, 2^4063215 is an apocalyptic number.

4063215 is a deficient number, since it is larger than the sum of its proper divisors (3065361).

4063215 is a wasteful number, since it uses less digits than its factorization.

4063215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

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

The square root of 4063215 is about 2015.7417989415. The cubic root of 4063215 is about 159.5719679287.

Adding to 4063215 its reverse (5123604), we get a palindrome (9186819).

It can be divided in two parts, 4063 and 215, that added together give a triangular number (4278 = T₉₂).

The spelling of 4063215 in words is "four million, sixty-three thousand, two hundred fifteen".