1332840 has 64 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 342272.

The previous prime is 1332833. The next prime is 1332841. The reversal of 1332840 is 482331.

It is a happy number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1332841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3289 + ... + 3671.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2^1332840 is an apocalyptic number.

1332840 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 1332840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073600).

1332840 is an abundant number, since it is smaller than the sum of its proper divisors (2814360).

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

1332840 is a wasteful number, since it uses less digits than its factorization.

1332840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1332840 is about 1154.4868990162. The cubic root of 1332840 is about 110.0506653655.

The spelling of 1332840 in words is "one million, three hundred thirty-two thousand, eight hundred forty".