4155915 has 16 divisors (see below), whose sum is σ = 6674976. Its totient is φ = 2208000.

The previous prime is 4155913. The next prime is 4155917. The reversal of 4155915 is 5195514.

It is an interprime number because it is at equal distance from previous prime (4155913) and next prime (4155917).

It is not a de Polignac number, because 4155915 - 2¹ = 4155913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4155911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6615 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (417186).

Almost surely, 2^4155915 is an apocalyptic number.

4155915 is a deficient number, since it is larger than the sum of its proper divisors (2519061).

4155915 is a wasteful number, since it uses less digits than its factorization.

4155915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its digits is 4500, while the sum is 30.

The square root of 4155915 is about 2038.6061414604. The cubic root of 4155915 is about 160.7763699466.

The spelling of 4155915 in words is "four million, one hundred fifty-five thousand, nine hundred fifteen".