2831955 has 24 divisors (see below), whose sum is σ = 5272272. Its totient is φ = 1294272.

The previous prime is 2831953. The next prime is 2831971. The reversal of 2831955 is 5591382.

It is not a de Polignac number, because 2831955 - 2¹ = 2831953 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 8⁶ + 3⁹ + 1 + 9⁶ + 5² + 5⁹ .

2831955 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2831951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1192 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (219678).

2^2831955 is an apocalyptic number.

2831955 is a deficient number, since it is larger than the sum of its proper divisors (2440317).

2831955 is a wasteful number, since it uses less digits than its factorization.

2831955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875 (or 3868 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 2831955 is about 1682.8413472458. The cubic root of 2831955 is about 141.4801297291.

The spelling of 2831955 in words is "two million, eight hundred thirty-one thousand, nine hundred fifty-five".