2821814 has 4 divisors (see below), whose sum is σ = 4232724. Its totient is φ = 1410906.

The previous prime is 2821811. The next prime is 2821817. The reversal of 2821814 is 4181282.

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

It is an interprime number because it is at equal distance from previous prime (2821811) and next prime (2821817).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705452 + ... + 705455.

It is an arithmetic number, because the mean of its divisors is an integer number (1058181).

2^2821814 is an apocalyptic number.

2821814 is a deficient number, since it is larger than the sum of its proper divisors (1410910).

2821814 is a wasteful number, since it uses less digits than its factorization.

2821814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410909.

The product of its digits is 1024, while the sum is 26.

The square root of 2821814 is about 1679.8255861845. The cubic root of 2821814 is about 141.3110514792.

The spelling of 2821814 in words is "two million, eight hundred twenty-one thousand, eight hundred fourteen".