1090218 has 16 divisors (see below), whose sum is σ = 2201760. Its totient is φ = 359856.

The previous prime is 1090217. The next prime is 1090241. The reversal of 1090218 is 8120901.

It is a junction number, because it is equal to n+sod(n) for n = 1090194 and 1090203.

It is not an unprimeable number, because it can be changed into a prime (1090211) 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, 180 + ... + 1487.

It is an arithmetic number, because the mean of its divisors is an integer number (137610).

2^1090218 is an apocalyptic number.

1090218 is an abundant number, since it is smaller than the sum of its proper divisors (1111542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1090218 is a wasteful number, since it uses less digits than its factorization.

1090218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1090218 is about 1044.1350487365. The cubic root of 1090218 is about 102.9211071496.

The spelling of 1090218 in words is "one million, ninety thousand, two hundred eighteen".