1438272 has 84 divisors (see below), whose sum is σ = 4517136. Its totient is φ = 433920.

The previous prime is 1438271. The next prime is 1438279. The reversal of 1438272 is 2728341.

It is not an unprimeable number, because it can be changed into a prime (1438271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6223 + ... + 6449.

2^1438272 is an apocalyptic number.

1438272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1438272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2258568).

1438272 is an abundant number, since it is smaller than the sum of its proper divisors (3078864).

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

1438272 is a wasteful number, since it uses less digits than its factorization.

1438272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 243 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1438272 is about 1199.2797838703. The cubic root of 1438272 is about 112.8791356564.

The spelling of 1438272 in words is "one million, four hundred thirty-eight thousand, two hundred seventy-two".