1385073 has 16 divisors (see below), whose sum is σ = 2101440. Its totient is φ = 901152.

The previous prime is 1385071. The next prime is 1385077. The reversal of 1385073 is 3705831.

It is not a de Polignac number, because 1385073 - 2¹ = 1385071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1385071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565 + ... + 1757.

It is an arithmetic number, because the mean of its divisors is an integer number (131340).

2^1385073 is an apocalyptic number.

It is an amenable number.

1385073 is a deficient number, since it is larger than the sum of its proper divisors (716367).

1385073 is a wasteful number, since it uses less digits than its factorization.

1385073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1385073 is about 1176.8912439134. The cubic root of 1385073 is about 111.4698853566.

The spelling of 1385073 in words is "one million, three hundred eighty-five thousand, seventy-three".