2927281 has 12 divisors (see below), whose sum is σ = 3556288. Its totient is φ = 2359872.

The previous prime is 2927263. The next prime is 2927293. The reversal of 2927281 is 1827292.

2927281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2927281 - 2⁹ = 2926769 is a prime.

It is a super-2 number, since 2×2927281² = 17137948105922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2⁴ + 9⁴ + 2²⁰ + 7⁷ + 2²⁰ + 8 + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2927261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1300 + ... + 2746.

2^2927281 is an apocalyptic number.

It is an amenable number.

2927281 is a deficient number, since it is larger than the sum of its proper divisors (629007).

2927281 is a wasteful number, since it uses less digits than its factorization.

2927281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488 (or 1471 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2927281 is about 1710.9298641382. The cubic root of 2927281 is about 143.0500908516.

The spelling of 2927281 in words is "two million, nine hundred twenty-seven thousand, two hundred eighty-one".