1385969 has 12 divisors (see below), whose sum is σ = 1537200. Its totient is φ = 1248624.

The previous prime is 1385963. The next prime is 1385977. The reversal of 1385969 is 9695831.

It is not a de Polignac number, because 1385969 - 2⁴ = 1385953 is a prime.

It is a super-2 number, since 2×1385969² = 3841820137922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9902 + ... + 10040.

It is an arithmetic number, because the mean of its divisors is an integer number (128100).

2^1385969 is an apocalyptic number.

It is an amenable number.

1385969 is a deficient number, since it is larger than the sum of its proper divisors (151231).

1385969 is a wasteful number, since it uses less digits than its factorization.

1385969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 211 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 1385969 is about 1177.2718462615. The cubic root of 1385969 is about 111.4939166984.

The spelling of 1385969 in words is "one million, three hundred eighty-five thousand, nine hundred sixty-nine".