4919155 has 8 divisors (see below), whose sum is σ = 5922000. Its totient is φ = 3922656.

The previous prime is 4919153. The next prime is 4919179. The reversal of 4919155 is 5519194.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4919155 - 2¹ = 4919153 is a prime.

It is an Ulam number.

4919155 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4919155.

It is not an unprimeable number, because it can be changed into a prime (4919153) 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 7 ways as a sum of consecutive naturals, for example, 336 + ... + 3154.

It is an arithmetic number, because the mean of its divisors is an integer number (740250).

Almost surely, 2^4919155 is an apocalyptic number.

4919155 is a deficient number, since it is larger than the sum of its proper divisors (1002845).

4919155 is a wasteful number, since it uses less digits than its factorization.

4919155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its digits is 8100, while the sum is 34.

The square root of 4919155 is about 2217.9168153923. The cubic root of 4919155 is about 170.0709623006.

The spelling of 4919155 in words is "four million, nine hundred nineteen thousand, one hundred fifty-five".