4999155 has 32 divisors (see below), whose sum is σ = 9345024. Its totient is φ = 2234496.

The previous prime is 4999151. The next prime is 4999177. The reversal of 4999155 is 5519994.

It is a happy number.

It is not a de Polignac number, because 4999155 - 2² = 4999151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4999151) 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 31 ways as a sum of consecutive naturals, for example, 4429 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (292032).

Almost surely, 2^4999155 is an apocalyptic number.

4999155 is a deficient number, since it is larger than the sum of its proper divisors (4345869).

4999155 is a wasteful number, since it uses less digits than its factorization.

4999155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its digits is 72900, while the sum is 42.

The square root of 4999155 is about 2235.8790217720. The cubic root of 4999155 is about 170.9879612605.

The spelling of 4999155 in words is "four million, nine hundred ninety-nine thousand, one hundred fifty-five".