1385697 has 8 divisors (see below), whose sum is σ = 1862656. Its totient is φ = 916272.

The previous prime is 1385693. The next prime is 1385743. The reversal of 1385697 is 7965831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1385697 - 2² = 1385693 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (232832).

2^1385697 is an apocalyptic number.

It is an amenable number.

1385697 is a deficient number, since it is larger than the sum of its proper divisors (476959).

1385697 is a wasteful number, since it uses less digits than its factorization.

1385697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767.

The product of its digits is 45360, while the sum is 39.

The square root of 1385697 is about 1177.1563192711. The cubic root of 1385697 is about 111.4866225647.

The spelling of 1385697 in words is "one million, three hundred eighty-five thousand, six hundred ninety-seven".