4611555 has 24 divisors (see below), whose sum is σ = 8609328. Its totient is φ = 2270016.

The previous prime is 4611553. The next prime is 4611571. The reversal of 4611555 is 5551164.

It is a happy number.

It is not a de Polignac number, because 4611555 - 2¹ = 4611553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4611553) 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 23 ways as a sum of consecutive naturals, for example, 3357 + ... + 4526.

It is an arithmetic number, because the mean of its divisors is an integer number (358722).

Almost surely, 2^4611555 is an apocalyptic number.

4611555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4611555 is a deficient number, since it is larger than the sum of its proper divisors (3997773).

4611555 is a wasteful number, since it uses less digits than its factorization.

4611555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907 (or 7904 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 4611555 is about 2147.4531426786. The cubic root of 4611555 is about 166.4494882352.

It can be divided in two parts, 461 and 1555, that added together give a triangular number (2016 = T₆₃).

The spelling of 4611555 in words is "four million, six hundred eleven thousand, five hundred fifty-five".