2155852 has 12 divisors (see below), whose sum is σ = 3787056. Its totient is φ = 1073840.

The previous prime is 2155849. The next prime is 2155861. The reversal of 2155852 is 2585512.

It is a self number, because there is not a number n which added to its sum of digits gives 2155852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378 + ... + 2110.

It is an arithmetic number, because the mean of its divisors is an integer number (315588).

2^2155852 is an apocalyptic number.

It is an amenable number.

2155852 is a deficient number, since it is larger than the sum of its proper divisors (1631204).

2155852 is a wasteful number, since it uses less digits than its factorization.

2155852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2046 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 2155852 is about 1468.2819892650. The cubic root of 2155852 is about 129.1832821266.

The spelling of 2155852 in words is "two million, one hundred fifty-five thousand, eight hundred fifty-two".