11404397 has 2 divisors, whose sum is σ = 11404398. Its totient is φ = 11404396.

The previous prime is 11404391. The next prime is 11404411. The reversal of 11404397 is 79340411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10569001 + 835396 = 3251^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 11404397 - 2¹⁰ = 11403373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11404391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702198 + 5702199.

It is an arithmetic number, because the mean of its divisors is an integer number (5702199).

Almost surely, 2^11404397 is an apocalyptic number.

It is an amenable number.

11404397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404397 is an equidigital number, since it uses as much as digits as its factorization.

11404397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 11404397 is about 3377.0396799564. The cubic root of 11404397 is about 225.0906433140.

The spelling of 11404397 in words is "eleven million, four hundred four thousand, three hundred ninety-seven".