2861204 has 6 divisors (see below), whose sum is σ = 5007114. Its totient is φ = 1430600.

The previous prime is 2861203. The next prime is 2861213. The reversal of 2861204 is 4021682.

2861204 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 204304 = 1630^2 + 452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2861204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357647 + ... + 357654.

It is an arithmetic number, because the mean of its divisors is an integer number (834519).

2^2861204 is an apocalyptic number.

It is an amenable number.

2861204 is a deficient number, since it is larger than the sum of its proper divisors (2145910).

2861204 is a wasteful number, since it uses less digits than its factorization.

2861204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715305 (or 715303 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2861204 is about 1691.5093851351. The cubic root of 2861204 is about 141.9655408020.

Adding to 2861204 its reverse (4021682), we get a palindrome (6882886).

The spelling of 2861204 in words is "two million, eight hundred sixty-one thousand, two hundred four".