2859642 has 24 divisors (see below), whose sum is σ = 6277440. Its totient is φ = 940680.

The previous prime is 2859641. The next prime is 2859673. The reversal of 2859642 is 2469582.

It is a happy number.

2859642 is a `hidden beast` number, since 2 + 8 + 5 + 9 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2859597 and 2859606.

It is not an unprimeable number, because it can be changed into a prime (2859641) 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, 417 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (261560).

2^2859642 is an apocalyptic number.

2859642 is an abundant number, since it is smaller than the sum of its proper divisors (3417798).

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

2859642 is a wasteful number, since it uses less digits than its factorization.

2859642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098 (or 2095 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2859642 is about 1691.0476042974. The cubic root of 2859642 is about 141.9397019663.

The spelling of 2859642 in words is "two million, eight hundred fifty-nine thousand, six hundred forty-two".