1385377 has 10 divisors (see below), whose sum is σ = 1618978. Its totient is φ = 1185408.

The previous prime is 1385369. The next prime is 1385383. The reversal of 1385377 is 7735831.

It can be written as a sum of positive squares in only one way, i.e., 1382976 + 2401 = 1176^2 + 49^2 .

It is not a de Polignac number, because 1385377 - 2³ = 1385369 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 (1385327) 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, 2113 + ... + 2689.

2^1385377 is an apocalyptic number.

It is an amenable number.

1385377 is a deficient number, since it is larger than the sum of its proper divisors (233601).

1385377 is an frugal number, since it uses more digits than its factorization.

1385377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 584 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 1385377 is about 1177.0203906475. The cubic root of 1385377 is about 111.4780400089.

The spelling of 1385377 in words is "one million, three hundred eighty-five thousand, three hundred seventy-seven".