1040340 has 48 divisors (see below), whose sum is σ = 3330432. Its totient is φ = 237696.

The previous prime is 1040339. The next prime is 1040353. The reversal of 1040340 is 430401.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (69384).

2^1040340 is an apocalyptic number.

1040340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040340 is an abundant number, since it is smaller than the sum of its proper divisors (2290092).

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

1040340 is a wasteful number, since it uses less digits than its factorization.

1040340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1040340 is about 1019.9705878112. The cubic root of 1040340 is about 101.3269800187.

Adding to 1040340 its reverse (430401), we get a palindrome (1470741).

The spelling of 1040340 in words is "one million, forty thousand, three hundred forty".