2864312 has 32 divisors (see below), whose sum is σ = 5929200. Its totient is φ = 1297120.

The previous prime is 2864299. The next prime is 2864339. The reversal of 2864312 is 2134682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10514 + ... + 10782.

2^2864312 is an apocalyptic number.

2864312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2864312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2964600).

2864312 is an abundant number, since it is smaller than the sum of its proper divisors (3064888).

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

2864312 is a wasteful number, since it uses less digits than its factorization.

2864312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 282 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 2864312 is about 1692.4278418887. The cubic root of 2864312 is about 142.0169258407.

Adding to 2864312 its reverse (2134682), we get a palindrome (4998994).

The spelling of 2864312 in words is "two million, eight hundred sixty-four thousand, three hundred twelve".