2861394 has 16 divisors (see below), whose sum is σ = 5777568. Its totient is φ = 944672.

The previous prime is 2861387. The next prime is 2861399. The reversal of 2861394 is 4931682.

2861394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2861399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587 + ... + 2870.

It is an arithmetic number, because the mean of its divisors is an integer number (361098).

2^2861394 is an apocalyptic number.

2861394 is an abundant number, since it is smaller than the sum of its proper divisors (2916174).

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

2861394 is a wasteful number, since it uses less digits than its factorization.

2861394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569.

The product of its digits is 10368, while the sum is 33.

The square root of 2861394 is about 1691.5655470599. The cubic root of 2861394 is about 141.9686831686.

The spelling of 2861394 in words is "two million, eight hundred sixty-one thousand, three hundred ninety-four".