2047155 has 32 divisors (see below), whose sum is σ = 3767040. Its totient is φ = 938880.

The previous prime is 2047141. The next prime is 2047159. The reversal of 2047155 is 5517402.

It is not a de Polignac number, because 2047155 - 2⁶ = 2047091 is a prime.

2047155 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2809 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (117720).

2^2047155 is an apocalyptic number.

2047155 is a deficient number, since it is larger than the sum of its proper divisors (1719885).

2047155 is a wasteful number, since it uses less digits than its factorization.

2047155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 2047155 is about 1430.7882442905. The cubic root of 2047155 is about 126.9746162094.

The spelling of 2047155 in words is "two million, forty-seven thousand, one hundred fifty-five".