4215969 has 40 divisors (see below), whose sum is σ = 6876672. Its totient is φ = 2566080.

The previous prime is 4215941. The next prime is 4215971. The reversal of 4215969 is 9695124.

It is not a de Polignac number, because 4215969 - 2⁹ = 4215457 is a prime.

It is a super-2 number, since 2×4215969² = 35548789217922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4215919) 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 39 ways as a sum of consecutive naturals, for example, 57717 + ... + 57789.

Almost surely, 2^4215969 is an apocalyptic number.

It is an amenable number.

4215969 is a deficient number, since it is larger than the sum of its proper divisors (2660703).

4215969 is a wasteful number, since it uses less digits than its factorization.

4215969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 130 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 4215969 is about 2053.2824939594. The cubic root of 4215969 is about 161.5470888642.

It can be divided in two parts, 4215 and 969, that added together give a square (5184 = 72²).

The spelling of 4215969 in words is "four million, two hundred fifteen thousand, nine hundred sixty-nine".