1438284 has 24 divisors (see below), whose sum is σ = 3472560. Its totient is φ = 462784.

The previous prime is 1438279. The next prime is 1438291. The reversal of 1438284 is 4828341.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1719 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (144690).

2^1438284 is an apocalyptic number.

It is an amenable number.

1438284 is an abundant number, since it is smaller than the sum of its proper divisors (2034276).

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

1438284 is a wasteful number, since it uses less digits than its factorization.

1438284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169 (or 4167 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 1438284 is about 1199.2847868626. The cubic root of 1438284 is about 112.8794495854.

The spelling of 1438284 in words is "one million, four hundred thirty-eight thousand, two hundred eighty-four".