1089236 has 12 divisors (see below), whose sum is σ = 1914528. Its totient is φ = 542232.

The previous prime is 1089227. The next prime is 1089239. The reversal of 1089236 is 6329801.

1089236 is nontrivially palindromic in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 1089199 and 1089208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (159544).

2^1089236 is an apocalyptic number.

It is an amenable number.

1089236 is a deficient number, since it is larger than the sum of its proper divisors (825292).

1089236 is a wasteful number, since it uses less digits than its factorization.

1089236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1089236 is about 1043.6646971130. The cubic root of 1089236 is about 102.8901962407.

The spelling of 1089236 in words is "one million, eighty-nine thousand, two hundred thirty-six".