4243615 has 8 divisors (see below), whose sum is σ = 5313888. Its totient is φ = 3247200.

The previous prime is 4243607. The next prime is 4243619. The reversal of 4243615 is 5163424.

4243615 = 4² + 5² + ... + 233².

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

It is not a de Polignac number, because 4243615 - 2³ = 4243607 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 2¹⁵ + 4¹¹ + 3³ + 6 + 1 + 5³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4243615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243619) 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, 18336 + ... + 18565.

It is an arithmetic number, because the mean of its divisors is an integer number (664236).

Almost surely, 2^4243615 is an apocalyptic number.

4243615 is a deficient number, since it is larger than the sum of its proper divisors (1070273).

4243615 is a wasteful number, since it uses less digits than its factorization.

4243615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36929.

The product of its digits is 2880, while the sum is 25.

The square root of 4243615 is about 2060.0036407735. The cubic root of 4243615 is about 161.8994320690.

The spelling of 4243615 in words is "four million, two hundred forty-three thousand, six hundred fifteen".