1089340212 has 24 divisors (see below), whose sum is σ = 2691311616. Its totient is φ = 341753728.

The previous prime is 1089340211. The next prime is 1089340249. The reversal of 1089340212 is 2120439801.

It is a self number, because there is not a number n which added to its sum of digits gives 1089340212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089340211) 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, 2669748 + ... + 2670155.

It is an arithmetic number, because the mean of its divisors is an integer number (112137984).

Almost surely, 2^1089340212 is an apocalyptic number.

1089340212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1089340212 is an abundant number, since it is smaller than the sum of its proper divisors (1601971404).

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

1089340212 is a wasteful number, since it uses less digits than its factorization.

1089340212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339927 (or 5339925 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1089340212 is about 33005.1543247415. The cubic root of 1089340212 is about 1028.9347745529.

The spelling of 1089340212 in words is "one billion, eighty-nine million, three hundred forty thousand, two hundred twelve".