1084040 has 32 divisors (see below), whose sum is σ = 2502360. Its totient is φ = 422400.

The previous prime is 1084019. The next prime is 1084043. The reversal of 1084040 is 404801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 749956 + 334084 = 866^2 + 578^2 .

It is not an unprimeable number, because it can be changed into a prime (1084043) 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, 1310 + ... + 1970.

2^1084040 is an apocalyptic number.

1084040 is a gapful number since it is divisible by the number (10) 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 1084040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251180).

1084040 is an abundant number, since it is smaller than the sum of its proper divisors (1418320).

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

1084040 is a wasteful number, since it uses less digits than its factorization.

1084040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1084040 is about 1041.1724160772. The cubic root of 1084040 is about 102.7263291455.

Adding to 1084040 its reverse (404801), we get a palindrome (1488841).

The spelling of 1084040 in words is "one million, eighty-four thousand, forty".