4243915 has 16 divisors (see below), whose sum is σ = 5544000. Its totient is φ = 3100032.

The previous prime is 4243903. The next prime is 4243927. The reversal of 4243915 is 5193424.

It is an interprime number because it is at equal distance from previous prime (4243903) and next prime (4243927).

It is not a de Polignac number, because 4243915 - 2¹⁵ = 4211147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6786 + ... + 7384.

It is an arithmetic number, because the mean of its divisors is an integer number (346500).

Almost surely, 2^4243915 is an apocalyptic number.

4243915 is a deficient number, since it is larger than the sum of its proper divisors (1300085).

4243915 is a wasteful number, since it uses less digits than its factorization.

4243915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its digits is 4320, while the sum is 28.

The square root of 4243915 is about 2060.0764548919. The cubic root of 4243915 is about 161.9032471092.

The spelling of 4243915 in words is "four million, two hundred forty-three thousand, nine hundred fifteen".