2861318 has 4 divisors (see below), whose sum is σ = 4291980. Its totient is φ = 1430658.

The previous prime is 2861317. The next prime is 2861347. The reversal of 2861318 is 8131682.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715328 + ... + 715331.

It is an arithmetic number, because the mean of its divisors is an integer number (1072995).

2^2861318 is an apocalyptic number.

2861318 is a deficient number, since it is larger than the sum of its proper divisors (1430662).

2861318 is a wasteful number, since it uses less digits than its factorization.

2861318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430661.

The product of its digits is 2304, while the sum is 29.

The square root of 2861318 is about 1691.5430825137. The cubic root of 2861318 is about 141.9674262386.

The spelling of 2861318 in words is "two million, eight hundred sixty-one thousand, three hundred eighteen".