2721852 has 54 divisors (see below), whose sum is σ = 8008728. Its totient is φ = 777168.

The previous prime is 2721841. The next prime is 2721863. The reversal of 2721852 is 2581272.

It is an interprime number because it is at equal distance from previous prime (2721841) and next prime (2721863).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 993 + ... + 2535.

2^2721852 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 2721852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4004364).

2721852 is an abundant number, since it is smaller than the sum of its proper divisors (5286876).

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

2721852 is a wasteful number, since it uses less digits than its factorization.

2721852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1555 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2721852 is about 1649.8036246778. The cubic root of 2721852 is about 139.6223153518.

The spelling of 2721852 in words is "two million, seven hundred twenty-one thousand, eight hundred fifty-two".