1080385 has 8 divisors (see below), whose sum is σ = 1305000. Its totient is φ = 858624.

The previous prime is 1080383. The next prime is 1080413. The reversal of 1080385 is 5830801.

1080385 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 263169 + 817216 = 513^2 + 904^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1080385 - 2¹ = 1080383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080383) 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, 241 + ... + 1489.

It is an arithmetic number, because the mean of its divisors is an integer number (163125).

2^1080385 is an apocalyptic number.

It is an amenable number.

1080385 is a deficient number, since it is larger than the sum of its proper divisors (224615).

1080385 is a wasteful number, since it uses less digits than its factorization.

1080385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1080385 is about 1039.4157012476. The cubic root of 1080385 is about 102.6107468474.

The spelling of 1080385 in words is "one million, eighty thousand, three hundred eighty-five".