2831862 has 32 divisors (see below), whose sum is σ = 6251904. Its totient is φ = 848000.

The previous prime is 2831861. The next prime is 2831863. The reversal of 2831862 is 2681382.

It is an interprime number because it is at equal distance from previous prime (2831861) and next prime (2831863).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6862 + ... + 7262.

It is an arithmetic number, because the mean of its divisors is an integer number (195372).

2^2831862 is an apocalyptic number.

2831862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2831862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3125952).

2831862 is an abundant number, since it is smaller than the sum of its proper divisors (3420042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2831862 is a wasteful number, since it uses less digits than its factorization.

2831862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its digits is 4608, while the sum is 30.

The square root of 2831862 is about 1682.8137151806. The cubic root of 2831862 is about 141.4785809996.

It can be divided in two parts, 283 and 1862, that added together give a triangular number (2145 = T₆₅).

The spelling of 2831862 in words is "two million, eight hundred thirty-one thousand, eight hundred sixty-two".