1368404 has 6 divisors (see below), whose sum is σ = 2394714. Its totient is φ = 684200.

The previous prime is 1368401. The next prime is 1368439. The reversal of 1368404 is 4048631.

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 158404 = 1100^2 + 398^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171047 + ... + 171054.

It is an arithmetic number, because the mean of its divisors is an integer number (399119).

2^1368404 is an apocalyptic number.

It is an amenable number.

1368404 is a deficient number, since it is larger than the sum of its proper divisors (1026310).

1368404 is a wasteful number, since it uses less digits than its factorization.

1368404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342105 (or 342103 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1368404 is about 1169.7880149839. The cubic root of 1368404 is about 111.0209088659.

The spelling of 1368404 in words is "one million, three hundred sixty-eight thousand, four hundred four".