1427288 has 16 divisors (see below), whose sum is σ = 2792880. Its totient is φ = 682528.

The previous prime is 1427281. The next prime is 1427291. The reversal of 1427288 is 8827241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427281) 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 3 ways as a sum of consecutive naturals, for example, 3695 + ... + 4062.

It is an arithmetic number, because the mean of its divisors is an integer number (174555).

2^1427288 is an apocalyptic number.

It is an amenable number.

1427288 is a deficient number, since it is larger than the sum of its proper divisors (1365592).

1427288 is a wasteful number, since it uses less digits than its factorization.

1427288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786 (or 7782 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 1427288 is about 1194.6915920019. The cubic root of 1427288 is about 112.5910505692.

The spelling of 1427288 in words is "one million, four hundred twenty-seven thousand, two hundred eighty-eight".