1080638 has 16 divisors (see below), whose sum is σ = 1769040. Its totient is φ = 492096.

The previous prime is 1080613. The next prime is 1080647. The reversal of 1080638 is 8360801.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081 + ... + 2547.

It is an arithmetic number, because the mean of its divisors is an integer number (110565).

2^1080638 is an apocalyptic number.

1080638 is a deficient number, since it is larger than the sum of its proper divisors (688402).

1080638 is a wasteful number, since it uses less digits than its factorization.

1080638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1080638 is about 1039.5373971147. The cubic root of 1080638 is about 102.6187558728.

The spelling of 1080638 in words is "one million, eighty thousand, six hundred thirty-eight".