1388282 has 16 divisors (see below), whose sum is σ = 2426112. Its totient is φ = 583440.

The previous prime is 1388279. The next prime is 1388287. The reversal of 1388282 is 2828831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^1388282 is an apocalyptic number.

1388282 is a deficient number, since it is larger than the sum of its proper divisors (1037830).

1388282 is a wasteful number, since it uses less digits than its factorization.

1388282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933.

The product of its digits is 6144, while the sum is 32.

The square root of 1388282 is about 1178.2537926949. The cubic root of 1388282 is about 111.5559051227. Note that the first 3 decimals are identical.

The spelling of 1388282 in words is "one million, three hundred eighty-eight thousand, two hundred eighty-two".