1385667 has 10 divisors (see below), whose sum is σ = 2070068. Its totient is φ = 923724.

The previous prime is 1385647. The next prime is 1385693. The reversal of 1385667 is 7665831.

It is not a de Polignac number, because 1385667 - 2⁶ = 1385603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385647) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8473 + ... + 8634.

2^1385667 is an apocalyptic number.

1385667 is a deficient number, since it is larger than the sum of its proper divisors (684401).

1385667 is an equidigital number, since it uses as much as digits as its factorization.

1385667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17119 (or 17110 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1385667 is about 1177.1435766295. The cubic root of 1385667 is about 111.4858180063.

The spelling of 1385667 in words is "one million, three hundred eighty-five thousand, six hundred sixty-seven".