1340046 has 24 divisors (see below), whose sum is σ = 2934360. Its totient is φ = 441936.

The previous prime is 1340041. The next prime is 1340047. The reversal of 1340046 is 6400431.

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 (1340041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1621 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (122265).

2^1340046 is an apocalyptic number.

1340046 is an abundant number, since it is smaller than the sum of its proper divisors (1594314).

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

1340046 is a wasteful number, since it uses less digits than its factorization.

1340046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1340046 is about 1157.6035590823. The cubic root of 1340046 is about 110.2486386677.

1340046 divided by its sum of digits (18) gives a palindrome (74447).

Adding to 1340046 its reverse (6400431), we get a palindrome (7740477).

The spelling of 1340046 in words is "one million, three hundred forty thousand, forty-six".