4891155 has 16 divisors (see below), whose sum is σ = 8286624. Its totient is φ = 2455040.

The previous prime is 4891153. The next prime is 4891171. The reversal of 4891155 is 5511984.

It is not a de Polignac number, because 4891155 - 2¹ = 4891153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4891153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9336 + ... + 9845.

It is an arithmetic number, because the mean of its divisors is an integer number (517914).

Almost surely, 2^4891155 is an apocalyptic number.

4891155 is a deficient number, since it is larger than the sum of its proper divisors (3395469).

4891155 is a wasteful number, since it uses less digits than its factorization.

4891155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19206.

The product of its digits is 7200, while the sum is 33.

The square root of 4891155 is about 2211.5955778578. The cubic root of 4891155 is about 169.7476648538.

The spelling of 4891155 in words is "four million, eight hundred ninety-one thousand, one hundred fifty-five".