2859955 has 16 divisors (see below), whose sum is σ = 4019904. Its totient is φ = 1912320.

The previous prime is 2859949. The next prime is 2859971. The reversal of 2859955 is 5599582.

It is not a de Polignac number, because 2859955 - 2¹⁷ = 2728883 is a prime.

2859955 is a lucky number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 439 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (251244).

2^2859955 is an apocalyptic number.

2859955 is a deficient number, since it is larger than the sum of its proper divisors (1159949).

2859955 is a wasteful number, since it uses less digits than its factorization.

2859955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046.

The product of its digits is 162000, while the sum is 43.

The square root of 2859955 is about 1691.1401479475. The cubic root of 2859955 is about 141.9448804124.

The spelling of 2859955 in words is "two million, eight hundred fifty-nine thousand, nine hundred fifty-five".