2721814 has 8 divisors (see below), whose sum is σ = 4177800. Its totient is φ = 1329216.

The previous prime is 2721811. The next prime is 2721821. The reversal of 2721814 is 4181272.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15739 + ... + 15910.

It is an arithmetic number, because the mean of its divisors is an integer number (522225).

2^2721814 is an apocalyptic number.

2721814 is a deficient number, since it is larger than the sum of its proper divisors (1455986).

2721814 is a wasteful number, since it uses less digits than its factorization.

2721814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31694.

The product of its digits is 896, while the sum is 25.

The square root of 2721814 is about 1649.7921081154. The cubic root of 2721814 is about 139.6216655892.

The spelling of 2721814 in words is "two million, seven hundred twenty-one thousand, eight hundred fourteen".