4215441 has 4 divisors (see below), whose sum is σ = 5620592. Its totient is φ = 2810292.

The previous prime is 4215427. The next prime is 4215443. The reversal of 4215441 is 1445124.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4215441 - 2¹⁹ = 3691153 is a prime.

It is a super-3 number, since 3×4215441³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4215443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702571 + ... + 702576.

It is an arithmetic number, because the mean of its divisors is an integer number (1405148).

Almost surely, 2^4215441 is an apocalyptic number.

It is an amenable number.

4215441 is a deficient number, since it is larger than the sum of its proper divisors (1405151).

4215441 is a wasteful number, since it uses less digits than its factorization.

4215441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405150.

The product of its digits is 640, while the sum is 21.

The square root of 4215441 is about 2053.1539153215. The cubic root of 4215441 is about 161.5403446318.

It can be divided in two parts, 42154 and 41, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 4215441 in words is "four million, two hundred fifteen thousand, four hundred forty-one".