1648272 has 40 divisors (see below), whose sum is σ = 4446144. Its totient is φ = 525184.

The previous prime is 1648261. The next prime is 1648277. The reversal of 1648272 is 2728461.

It is not an unprimeable number, because it can be changed into a prime (1648277) 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, 358 + ... + 1850.

2^1648272 is an apocalyptic number.

1648272 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 1648272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223072).

1648272 is an abundant number, since it is smaller than the sum of its proper divisors (2797872).

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

1648272 is a wasteful number, since it uses less digits than its factorization.

1648272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527 (or 1521 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 1648272 is about 1283.8504585815. The cubic root of 1648272 is about 118.1253097610.

The spelling of 1648272 in words is "one million, six hundred forty-eight thousand, two hundred seventy-two".