4155899 has 4 divisors (see below), whose sum is σ = 4533720. Its totient is φ = 3778080.

The previous prime is 4155887. The next prime is 4155911. The reversal of 4155899 is 9985514.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4155887) and next prime (4155911).

It is a cyclic number.

It is not a de Polignac number, because 4155899 - 2¹² = 4151803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188894 + ... + 188915.

It is an arithmetic number, because the mean of its divisors is an integer number (1133430).

Almost surely, 2^4155899 is an apocalyptic number.

4155899 is a deficient number, since it is larger than the sum of its proper divisors (377821).

4155899 is a wasteful number, since it uses less digits than its factorization.

4155899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377820.

The product of its digits is 64800, while the sum is 41.

The square root of 4155899 is about 2038.6022172067. The cubic root of 4155899 is about 160.7761636202.

The spelling of 4155899 in words is "four million, one hundred fifty-five thousand, eight hundred ninety-nine".