1384561 has 2 divisors, whose sum is σ = 1384562. Its totient is φ = 1384560.

The previous prime is 1384507. The next prime is 1384601. The reversal of 1384561 is 1654831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776161 + 608400 = 881^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1384561 - 2⁷ = 1384433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1384501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692280 + 692281.

It is an arithmetic number, because the mean of its divisors is an integer number (692281).

2^1384561 is an apocalyptic number.

It is an amenable number.

1384561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384561 is an equidigital number, since it uses as much as digits as its factorization.

1384561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 1384561 is about 1176.6737015843. The cubic root of 1384561 is about 111.4561485077.

The spelling of 1384561 in words is "one million, three hundred eighty-four thousand, five hundred sixty-one".