2859842 has 24 divisors (see below), whose sum is σ = 4814316. Its totient is φ = 1269504.

The previous prime is 2859803. The next prime is 2859847. The reversal of 2859842 is 2489582.

It can be written as a sum of positive squares in 2 ways, for example, as 2859481 + 361 = 1691^2 + 19^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 2859796 and 2859805.

It is not an unprimeable number, because it can be changed into a prime (2859847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12158 + ... + 12390.

2^2859842 is an apocalyptic number.

2859842 is a deficient number, since it is larger than the sum of its proper divisors (1954474).

2859842 is a wasteful number, since it uses less digits than its factorization.

2859842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 271 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 2859842 is about 1691.1067382043. The cubic root of 2859842 is about 141.9430109211.

The spelling of 2859842 in words is "two million, eight hundred fifty-nine thousand, eight hundred forty-two".