1984272 has 40 divisors (see below), whose sum is σ = 5210976. Its totient is φ = 650496.

The previous prime is 1984271. The next prime is 1984309. The reversal of 1984272 is 2724891.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1984271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908 + ... + 3524.

2^1984272 is an apocalyptic number.

1984272 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 1984272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2605488).

1984272 is an abundant number, since it is smaller than the sum of its proper divisors (3226704).

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

1984272 is a wasteful number, since it uses less digits than its factorization.

1984272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 689 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 1984272 is about 1408.6418991355. The cubic root of 1984272 is about 125.6609681420.

The spelling of 1984272 in words is "one million, nine hundred eighty-four thousand, two hundred seventy-two".