1385029 has 4 divisors (see below), whose sum is σ = 1404076. Its totient is φ = 1365984.

The previous prime is 1385023. The next prime is 1385039. The reversal of 1385029 is 9205831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 748225 = 798^2 + 865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1385029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1384988 and 1385006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385023) 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, 9414 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (351019).

2^1385029 is an apocalyptic number.

It is an amenable number.

1385029 is a deficient number, since it is larger than the sum of its proper divisors (19047).

1385029 is an equidigital number, since it uses as much as digits as its factorization.

1385029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19046.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1385029 is about 1176.8725504489. The cubic root of 1385029 is about 111.4687049791.

The spelling of 1385029 in words is "one million, three hundred eighty-five thousand, twenty-nine".