2861442 has 24 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 939960.

The previous prime is 2861399. The next prime is 2861447. The reversal of 2861442 is 2441682.

2861442 is a `hidden beast` number, since 2 + 8 + 614 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (2861447) 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, 159 + ... + 2397.

It is an arithmetic number, because the mean of its divisors is an integer number (262080).

2^2861442 is an apocalyptic number.

2861442 is an abundant number, since it is smaller than the sum of its proper divisors (3428478).

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

2861442 is a wasteful number, since it uses less digits than its factorization.

2861442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2315 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 2861442 is about 1691.5797350406. The cubic root of 2861442 is about 141.9694770076.

It can be divided in two parts, 286144 and 2, that added together give a triangular number (286146 = T₇₅₆).

The spelling of 2861442 in words is "two million, eight hundred sixty-one thousand, four hundred forty-two".