2862816 has 48 divisors (see below), whose sum is σ = 8201088. Its totient is φ = 867200.

The previous prime is 2862803. The next prime is 2862829. The reversal of 2862816 is 6182682.

It is an interprime number because it is at equal distance from previous prime (2862803) and next prime (2862829).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 7.

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, 300 + ... + 2411.

It is an arithmetic number, because the mean of its divisors is an integer number (170856).

2^2862816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2862816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4100544).

2862816 is an abundant number, since it is smaller than the sum of its proper divisors (5338272).

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

2862816 is a wasteful number, since it uses less digits than its factorization.

2862816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735 (or 2727 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 2862816 is about 1691.9858155434. The cubic root of 2862816 is about 141.9921968866.

The spelling of 2862816 in words is "two million, eight hundred sixty-two thousand, eight hundred sixteen".