1082440 has 16 divisors (see below), whose sum is σ = 2435580. Its totient is φ = 432960.

The previous prime is 1082429. The next prime is 1082443. The reversal of 1082440 is 442801.

It can be written as a sum of positive squares in 2 ways, for example, as 996004 + 86436 = 998^2 + 294^2 .

It is not an unprimeable number, because it can be changed into a prime (1082443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13491 + ... + 13570.

2^1082440 is an apocalyptic number.

1082440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082440 is an abundant number, since it is smaller than the sum of its proper divisors (1353140).

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

1082440 is a wasteful number, since it uses less digits than its factorization.

1082440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27072 (or 27068 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1082440 is about 1040.4037677748. The cubic root of 1082440 is about 102.6757642657.

The spelling of 1082440 in words is "one million, eighty-two thousand, four hundred forty".