1340304 has 40 divisors (see below), whose sum is σ = 3958080. Its totient is φ = 382848.

The previous prime is 1340291. The next prime is 1340321. The reversal of 1340304 is 4030431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659 + ... + 2330.

It is an arithmetic number, because the mean of its divisors is an integer number (98952).

2^1340304 is an apocalyptic number.

1340304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1340304 is an abundant number, since it is smaller than the sum of its proper divisors (2617776).

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

1340304 is a wasteful number, since it uses less digits than its factorization.

1340304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007 (or 4001 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1340304 is about 1157.7149908332. The cubic root of 1340304 is about 110.2557136297.

Adding to 1340304 its reverse (4030431), we get a palindrome (5370735).

The spelling of 1340304 in words is "one million, three hundred forty thousand, three hundred four".