1840272 has 40 divisors (see below), whose sum is σ = 5434176. Its totient is φ = 525696.

The previous prime is 1840261. The next prime is 1840297. The reversal of 1840272 is 2720481.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2403 + ... + 3074.

2^1840272 is an apocalyptic number.

1840272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1840272 is an abundant number, since it is smaller than the sum of its proper divisors (3593904).

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

1840272 is a wasteful number, since it uses less digits than its factorization.

1840272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5495 (or 5489 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1840272 is about 1356.5662534502. The cubic root of 1840272 is about 122.5445513367.

It can be divided in two parts, 1840 and 272, that added together give a palindrome (2112).

The spelling of 1840272 in words is "one million, eight hundred forty thousand, two hundred seventy-two".