1340804 has 12 divisors (see below), whose sum is σ = 2381904. Its totient is φ = 660264.

The previous prime is 1340803. The next prime is 1340827. The reversal of 1340804 is 4080431.

It is not an unprimeable number, because it can be changed into a prime (1340803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234 + ... + 2769.

It is an arithmetic number, because the mean of its divisors is an integer number (198492).

2^1340804 is an apocalyptic number.

It is an amenable number.

1340804 is a deficient number, since it is larger than the sum of its proper divisors (1041100).

1340804 is a wasteful number, since it uses less digits than its factorization.

1340804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074 (or 5072 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1340804 is about 1157.9309133105. The cubic root of 1340804 is about 110.2694222120.

The spelling of 1340804 in words is "one million, three hundred forty thousand, eight hundred four".