2721952 has 12 divisors (see below), whose sum is σ = 5358906. Its totient is φ = 1360960.

The previous prime is 2721947. The next prime is 2722001. The reversal of 2721952 is 2591272.

It can be written as a sum of positive squares in only one way, i.e., 1648656 + 1073296 = 1284^2 + 1036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2721952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42499 + ... + 42562.

2^2721952 is an apocalyptic number.

It is an amenable number.

2721952 is a deficient number, since it is larger than the sum of its proper divisors (2636954).

2721952 is an equidigital number, since it uses as much as digits as its factorization.

2721952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85071 (or 85063 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 2721952 is about 1649.8339310367. The cubic root of 2721952 is about 139.6240252244.

It can be divided in two parts, 27 and 21952, that multiplied together give a cube (592704 = 84³).

The spelling of 2721952 in words is "two million, seven hundred twenty-one thousand, nine hundred fifty-two".