1340946 has 48 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 411840.

The previous prime is 1340929. The next prime is 1340947. The reversal of 1340946 is 6490431.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1340947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16935 + ... + 17013.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2^1340946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572480).

1340946 is an abundant number, since it is smaller than the sum of its proper divisors (1804014).

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

1340946 is a wasteful number, since it uses less digits than its factorization.

1340946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1340946 is about 1157.9922279532. The cubic root of 1340946 is about 110.2733148280.

The spelling of 1340946 in words is "one million, three hundred forty thousand, nine hundred forty-six".