2781348 has 12 divisors (see below), whose sum is σ = 6489840. Its totient is φ = 927112.

The previous prime is 2781347. The next prime is 2781349. The reversal of 2781348 is 8431872.

It is an interprime number because it is at equal distance from previous prime (2781347) and next prime (2781349).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2781343) 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, 115878 + ... + 115901.

It is an arithmetic number, because the mean of its divisors is an integer number (540820).

2^2781348 is an apocalyptic number.

It is an amenable number.

2781348 is an abundant number, since it is smaller than the sum of its proper divisors (3708492).

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

2781348 is a wasteful number, since it uses less digits than its factorization.

2781348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231786 (or 231784 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 2781348 is about 1667.7373893992. The cubic root of 2781348 is about 140.6323099410.

The spelling of 2781348 in words is "two million, seven hundred eighty-one thousand, three hundred forty-eight".