1208340 has 108 divisors (see below), whose sum is σ = 4294836. Its totient is φ = 274176.

The previous prime is 1208303. The next prime is 1208341. The reversal of 1208340 is 438021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 571536 + 636804 = 756^2 + 798^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8752 + ... + 8888.

It is an arithmetic number, because the mean of its divisors is an integer number (39767).

2^1208340 is an apocalyptic number.

1208340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147418).

1208340 is an abundant number, since it is smaller than the sum of its proper divisors (3086496).

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

1208340 is a wasteful number, since it uses less digits than its factorization.

1208340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1208340 is about 1099.2451955774. The cubic root of 1208340 is about 106.5114713558.

The spelling of 1208340 in words is "one million, two hundred eight thousand, three hundred forty".