1385833 has 2 divisors, whose sum is σ = 1385834. Its totient is φ = 1385832.

The previous prime is 1385827. The next prime is 1385837. The reversal of 1385833 is 3385831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1364224 + 21609 = 1168^2 + 147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1385833 - 2⁵ = 1385801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1385795 and 1385804.

It is not a weakly prime, because it can be changed into another prime (1385837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692916 + 692917.

It is an arithmetic number, because the mean of its divisors is an integer number (692917).

2^1385833 is an apocalyptic number.

It is an amenable number.

1385833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385833 is an equidigital number, since it uses as much as digits as its factorization.

1385833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 1385833 is about 1177.2140841835. The cubic root of 1385833 is about 111.4902697509.

The spelling of 1385833 in words is "one million, three hundred eighty-five thousand, eight hundred thirty-three".