1385761 has 16 divisors (see below), whose sum is σ = 1591744. Its totient is φ = 1197504.

The previous prime is 1385753. The next prime is 1385767. The reversal of 1385761 is 1675831.

It is a cyclic number.

It is not a de Polignac number, because 1385761 - 2³ = 1385753 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 (1385767) 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, 20650 + ... + 20716.

It is an arithmetic number, because the mean of its divisors is an integer number (99484).

2^1385761 is an apocalyptic number.

It is an amenable number.

1385761 is a deficient number, since it is larger than the sum of its proper divisors (205983).

1385761 is a wasteful number, since it uses less digits than its factorization.

1385761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its digits is 5040, while the sum is 31.

The square root of 1385761 is about 1177.1835031124. The cubic root of 1385761 is about 111.4883389174.

The spelling of 1385761 in words is "one million, three hundred eighty-five thousand, seven hundred sixty-one".