1089356 has 12 divisors (see below), whose sum is σ = 1972320. Its totient is φ = 525840.

The previous prime is 1089313. The next prime is 1089359. The reversal of 1089356 is 6539801.

It is not an unprimeable number, because it can be changed into a prime (1089359) 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, 4580 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (164360).

2^1089356 is an apocalyptic number.

It is an amenable number.

1089356 is a deficient number, since it is larger than the sum of its proper divisors (882964).

1089356 is a wasteful number, since it uses less digits than its factorization.

1089356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424 (or 9422 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1089356 is about 1043.7221852581. The cubic root of 1089356 is about 102.8939745373.

The spelling of 1089356 in words is "one million, eighty-nine thousand, three hundred fifty-six".