1089219 has 8 divisors (see below), whose sum is σ = 1474240. Its totient is φ = 715176.

The previous prime is 1089217. The next prime is 1089223. The reversal of 1089219 is 9129801.

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

It is not a de Polignac number, because 1089219 - 2¹ = 1089217 is a prime.

It is a super-2 number, since 2×1089219² = 2372796059922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089217) 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, 2509 + ... + 2910.

It is an arithmetic number, because the mean of its divisors is an integer number (184280).

2^1089219 is an apocalyptic number.

1089219 is a deficient number, since it is larger than the sum of its proper divisors (385021).

1089219 is an equidigital number, since it uses as much as digits as its factorization.

1089219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 1089219 is about 1043.6565527030. The cubic root of 1089219 is about 102.8896609596.

The spelling of 1089219 in words is "one million, eighty-nine thousand, two hundred nineteen".