2721948 has 24 divisors (see below), whose sum is σ = 6412560. Its totient is φ = 898560.

The previous prime is 2721947. The next prime is 2722001. The reversal of 2721948 is 8491272.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268 + ... + 2348.

It is an arithmetic number, because the mean of its divisors is an integer number (267190).

2^2721948 is an apocalyptic number.

It is an amenable number.

2721948 is an abundant number, since it is smaller than the sum of its proper divisors (3690612).

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

2721948 is a wasteful number, since it uses less digits than its factorization.

2721948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2195 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 2721948 is about 1649.8327187930. The cubic root of 2721948 is about 139.6239568303.

The spelling of 2721948 in words is "two million, seven hundred twenty-one thousand, nine hundred forty-eight".